Perplexity/API Changelog/March 2026: Agent API New Models, Model Deprecations, /v1/agent Endpoint

March 2026: Agent API New Models, Model Deprecations, /v1/agent Endpoint

March 1, 2026API ChangelogView original ↗

Agent API: New Third-Party Models — GPT-5.4, NVIDIA Nemotron, Claude Sonnet 4.6, and Gemini 3.1 Pro Preview now supported.

Model Deprecations — google/gemini-2.5-flash deprecated March 20, 2026; google/gemini-2.5-pro and google/gemini-3-pro-preview deprecated April 1, 2026.

Agent API Endpoint /v1/agent — Canonical endpoint is now /v1/agent. The previous /v1/responses path continues to work as an alias for OpenAI compatibility.

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Fetched May 26, 2026

March 2026: Agent API New Models, Model Deprecations, /v1/agent Endpoint

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