Kimi K2.6 - Cogito

Moonshot’s flagship MoE. Trained for long-horizon agentic workflows; the model engineering teams reach for when the cheap models stop being enough.


Model ID	`moonshotai/kimi-k2.6`
Fast alias	`moonshotai/kimi-k2.6:fast`
Route slug	`kimi-k2.6`
Parameters	1T MoE (~32B active)
Context	262,144 tokens (256K)
Throughput	70 tokens/sec
TTFT	280ms
License	Modified MIT
Pricing	cogito.decart.ai/models/kimi-k2.6

Best for

Coding agents (multi-file refactors, multi-step PRs)
Long-horizon agentic reasoning
Complex tool use with parallel function calls
Workloads that benefit from long, reliable reasoning chains

client.chat.completions.create(
    model="moonshotai/kimi-k2.6",
    messages=[...],
)

The default moonshotai/kimi-k2.6 route is served from the AWS B300 high-capacity Moonshot deployment. Use moonshotai/kimi-k2.6:fast to opt into the dedicated AWS B300 SGLang lane (lower per-route capacity).

License

Kimi K2.6 ships under a Modified MIT license. Permissive enough for commercial deployments; check the upstream license for redistribution specifics.