Shut down on Mar 20, 2026
Perplexity Agent publishes 2026-03-20 as the shutdown date. Agent API.
- Hosting route
- Perplexity Agent platform
- Affected scope
- Agent API
- Replacement
- None published
- Announced
- Mar 20, 2026
- First seen by ModelClock
- Oct 5, 2026
What the provider published
docs.perplexity.ai ↗March 2026 Agent API Models Deprecation SDK
Agent API: New Third-Party Models The Agent API now supports additional third-party models including GPT-5.4, NVIDIA Nemotron, Claude Sonnet 4.6, and Gemini 3.1 Pro Preview — giving you more flexibility for tool-calling, structured outputs, and model fallback chains. Model Deprecations: Gemini 2.5 Flash & Gemini 2.5 Pro As of March 20, 2026,
google/gemini-2.5-flashhas been deprecated and removed from the API.google/gemini-2.5-profollowed on April 1, along withgoogle/gemini-3-pro-preview. If you were using these models, we recommend switching to newer alternatives available in the Agent API Models reference . Agent API Endpoint:/v1/agentThe canonical Agent API endpoint is now/v1/agent. The previous/v1/responsespath continues to work as an alias for OpenAI compatibility, no migration is required.
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