Kimi K2 Thinking

Kimi K2 with extended thinking capabilities.

kimi-k2-thinking
STABLEScheduled for DeactivationGet StartedView uptime
262,144 context
Released November 6, 2025
Starting at $0.60/M input tokens
Starting at $2.50/M output tokens
Streaming
Tools
Reasoning
JSON Output
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All Providers for Kimi K2 Thinking

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Vertex AI (OpenAI-compatible)
Context: 262.1k
Deactivating on Oct 21, 2026
Input
$0.6
/M tokens
Cache Read
$0.06
/M tokens
Output
$2.5
/M tokens
Get Started

Frequently asked questions

What is Kimi K2 Thinking?

Kimi K2 with extended thinking capabilities. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Kimi K2 Thinking cost?

Pricing for Kimi K2 Thinking on LLM Gateway starts at $0.60 per million input tokens and $2.50 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Kimi K2 Thinking?

Kimi K2 Thinking supports a context window of up to 262,144 tokens on its largest provider deployment.

Which providers serve Kimi K2 Thinking?

Kimi K2 Thinking is served by Vertex AI (OpenAI-compatible) through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Kimi K2 Thinking support tool calling and structured outputs?

Yes. Kimi K2 Thinking supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was Kimi K2 Thinking released?

Kimi K2 Thinking was released on November 6, 2025.