2026-11
“Update: The citations field has been fully deprecated and removed. All applications should now use the search_results field, which provides more detailed information including titles, URLs, and publication dates. The search_results field is available across all our search-enabled models and offers enhanced source tracking capabilities.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“Retired: Gemini 3.1 Flash Lite Preview google/gemini-3.1-flash-lite-preview has been retired: Google removed the underlying preview model from its API. Requests for this id now return a model not supported error. Use google/gemini-3.1-flash-lite instead — the stable successor at the same pricing. See the Agent API Models reference.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“It replaces perplexity/nemotron-3-ultra-550b-a55b, which is no longer listed in the Agent API or Orchestrator API model docs.”docs.perplexity.ai ›
“Agent API: preset renamed to effort This is a naming change only. Effort levels keep the same models, prompts, tools, limits, and pricing. Version pinning and frozen configurations continue to work as before. preset is still accepted as a deprecated alias, and responses return both fields. See Effort.”docs.perplexity.ai ›
“The undocumented ultra effort name is removed and now returns an error. The wide-research alias now selects xhigh.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-…”docs.perplexity.ai ›
2026-10
“The canonical Agent API endpoint is now /v1/agent. The previous /v1/responses path continues to work as an alias for OpenAI compatibility, no migration is required.”docs.perplexity.ai ›
“Retired: Gemini 3.1 Flash Lite Preview google/gemini-3.1-flash-lite-preview has been retired: Google removed the underlying preview model from its API. Requests for this id now return a model not supported error. Use google/gemini-3.1-flash-lite instead — the stable successor at the same pricing. See the Agent API Models reference.”docs.perplexity.ai ›
“The strip_thinking and reasoning_effort parameters were removed from the tool schemas (the Agent API emits no think tags, and presets manage reasoning effort); clients still sending them are ignored gracefully.”docs.perplexity.ai ›
“The strip_thinking and reasoning_effort parameters were removed from the tool schemas (the Agent API emits no think tags, and presets manage reasoning effort); clients still sending them are ignored gracefully.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8, anthropic/claude-opus-4-7, anthropic/claude-opus-4-6, anthropic/claude-opus-4-5, anthropic/claude-sonnet-4-6, anthropic/claude-sonnet-4-5, and anthropic/claude-haiku-4-5 … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anth…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-flash-lite, google/gemini-3.5-flash, and google/gemini-3.5-flash-lite … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, g…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-flash-lite, google/gemini-3.5-flash, and google/gemini-3.5-flash-lite … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, g…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-flash-lite, google/gemini-3.5-flash, and google/gemini-3.5-flash-lite … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, g…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-flash-lite, google/gemini-3.5-flash, and google/gemini-3.5-flash-lite … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, g…”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … Google: google/gemini-3-flash-preview, google/gemini-3.1-pro-preview, google/gemini-3.1-flash-lite, google/gemini-3.5-flash, and google/gemini-3.5-flash-lite … For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, g…”docs.perplexity.ai ›
“It replaces perplexity/nemotron-3-ultra-550b-a55b, which is no longer listed in the Agent API or Orchestrator API model docs. See the Agent API Models reference.”docs.perplexity.ai ›
“Agent API: preset renamed to effort This is a naming change only. Effort levels keep the same models, prompts, tools, limits, and pricing. Version pinning and frozen configurations continue to work as before. preset is still accepted as a deprecated alias, and responses return both fields. See Effort.”docs.perplexity.ai ›
“The undocumented ultra effort name is removed and now returns an error. The wide-research alias now selects xhigh.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … xAI: xai/grok-4.3, xai/grok-4.20-reasoning, xai/grok-4.20-non-reasoning, and xai/grok-4.20-multi-agent For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, google/gemini-3.8-flash, or xai/grok-4.7.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … xAI: xai/grok-4.3, xai/grok-4.20-reasoning, xai/grok-4.20-non-reasoning, and xai/grok-4.20-multi-agent For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, google/gemini-3.8-flash, or xai/grok-4.7.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … xAI: xai/grok-4.3, xai/grok-4.20-reasoning, xai/grok-4.20-non-reasoning, and xai/grok-4.20-multi-agent For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, google/gemini-3.8-flash, or xai/grok-4.7.”docs.perplexity.ai ›
“The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: … xAI: xai/grok-4.3, xai/grok-4.20-reasoning, xai/grok-4.20-non-reasoning, and xai/grok-4.20-multi-agent For new integrations, use anthropic/claude-opus-5-5, anthropic/claude-sonnet-5-5, anthropic/claude-haiku-5-5, google/gemini-4-argon, google/gemini-3.8-flash, or xai/grok-4.7.”docs.perplexity.ai ›
“Effective immediately, all API users will see citations returned as part of their requests by default. This is not a breaking change. The return_citations parameter will no longer have any effect.”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
“On October 24, 2026 at 00:00 UTC, the Agent API and Orchestrator API will retire these model IDs: openai/gpt-5.4 openai/gpt-5.4-mini openai/gpt-5.4-nano openai/gpt-5.2 openai/gpt-5.1 openai/gpt-5 openai/gpt-5-mini”docs.perplexity.ai ›
2026-03
“As of March 20, 2026, google/gemini-2.5-flash has been deprecated and removed from the API. google/gemini-2.5-pro followed on April 1, along with google/gemini-3-pro-preview. If you were using these models, we recommend switching to newer alternatives available in the Agent API Models reference.”docs.perplexity.ai ›
2025-12
“As of December 15, 2025, the sonar-reasoning model has been deprecated and removed from the API. If you were using this model, we recommend migrating to sonar-reasoning-pro for enhanced multi-step reasoning capabilities with web search.”docs.perplexity.ai ›
2025-08
“Please note that as of August 1, 2025, R1-1776 will be removed from the available models. R1 has been a popular option for a while, but it hasn't kept pace with recent improvements and lacks support for newer features. To reduce engineering overhead and make room for more capable models, we're retiring it from the API. If you liked R1's strengths, we recommend switching to Sonar Pro Reasoning. It …”docs.perplexity.ai ›
2025-02
“Please note that as of February 22, 2025, several models and model name aliases will no longer be accessible. The following model names will no longer be available via API: llama-3.1-sonar-small-128k-online llama-3.1-sonar-large-128k-online llama-3.1-sonar-huge-128k-online We recommend updating your applications to use our recently released Sonar or Sonar Pro models – you can learn more about them…”docs.perplexity.ai ›
“Please note that as of February 22, 2025, several models and model name aliases will no longer be accessible. The following model names will no longer be available via API: llama-3.1-sonar-small-128k-online llama-3.1-sonar-large-128k-online llama-3.1-sonar-huge-128k-online We recommend updating your applications to use our recently released Sonar or Sonar Pro models – you can learn more about them…”docs.perplexity.ai ›
“Please note that as of February 22, 2025, several models and model name aliases will no longer be accessible. The following model names will no longer be available via API: llama-3.1-sonar-small-128k-online llama-3.1-sonar-large-128k-online llama-3.1-sonar-huge-128k-online We recommend updating your applications to use our recently released Sonar or Sonar Pro models – you can learn more about them…”docs.perplexity.ai ›
2024-08
“[Action Required] Model Deprecation Notice Please note that several models will no longer be accessible effective 8/12/2024. We recommend updating your applications to use models in the Llama-3.1 family immediately. The following model names will no longer be available via API - … llama-3-sonar-small-32k-chat llama-3-sonar-large-32k-chat llama-3-8b-instruct llama-3-70b-instruct mistral-7b-instruct…”docs.perplexity.ai ›