Agent API: New Models
By Steven Van ·
The Agent API added support for several new models this month, all with direct first-party token pricing.
Perplexity announced Agent API: New Models on July 1, 2026.
What changed
The Agent API added support for several new models this month, all with direct first-party token pricing. See the full list in the Agent API Models reference. Claude Opus 5 The Agent API now supports anthropic/claude-opus-5. GPT-5.6 Family The Agent API now supports openai/gpt-5.6-sol, openai/gpt-5.6-terra, and openai/gpt-5.6-luna, giving you access to the latest GPT-5.6 models. Gemini Flash Models The Agent API now supports google/gemini-3.6-flash and google/gemini-3.5-flash-lite, adding Google's latest fast and cost-efficient models. Grok 4.5 The Agent API now supports xai/grok-4.5, xAI's flagship coding and agentic model. Kimi K3 The Agent API now supports perplexity/kimi-k3, Moonshot AI's flagship reasoning model. See the Agent API Models reference for pricing and model-specific settings. 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.