Kimi K2.8 Preview

Moonshot's Kimi K2.8 preview model with vision, reasoning, tool calling, and a 1M-token context window.

kimi-k2.8-preview
STABLEGet StartedLive uptime & insights
1,000,000 context
Released September 11, 2026
Starting at $1.00/M input tokens
Starting at $4.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
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All Providers for Kimi K2.8 Preview

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

Context: 1M
Input
$1
/M tokens
Cache Read
$0.25
/M tokens
Output
$4
/M tokens
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Frequently asked questions

What is Kimi K2.8 Preview?

Moonshot's Kimi K2.8 preview model with vision, reasoning, tool calling, and a 1M-token context window. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Kimi K2.8 Preview cost?

Pricing for Kimi K2.8 Preview on LLM Gateway starts at $1.00 per million input tokens and $4.00 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 K2.8 Preview?

Kimi K2.8 Preview supports a context window of up to 1,000,000 tokens on its largest provider deployment.

Which providers serve Kimi K2.8 Preview?

Kimi K2.8 Preview is served by Tencent Cloud through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Kimi K2.8 Preview support tool calling and structured outputs?

Yes. Kimi K2.8 Preview supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.

When was Kimi K2.8 Preview released?

Kimi K2.8 Preview was released on September 11, 2026.