Kimi K3 API — pricing and access
Raisonnement lourd et agentique, contexte 1M — lent, hors forfait
- Input
- $3.349 USD / 1M tokens
- Output
- $16.744 USD / 1M tokens
- Context
- 1M
- Available on
- Boost credit (pay as you go)
- Provider
- Moonshot AI
Kimi K3 is the model to reach for once a task outgrows Kimi K2.6's 131k window: analyzing a very large code repository, ingesting an entire documentation set, agentic reasoning that has to keep track of many prior steps. Its context reaches 1M tokens. It isn't included in any plan: it's billed per token on Boost credit.
Against Kimi K2.6, its smaller sibling in the same family, K3 brings far more context and reasoning depth for a much higher price per token — K2.6 stays included in the Dev plan and is enough for the large majority of coding sessions. Against Qwen3.8 Max, another out-of-plan model in a similar price range, K3 stands out on context capacity, while Qwen3.8 Max leans toward code and professional work instead.
It is not the right choice for everyday use or anything that fits under 131k tokens: Kimi K2.6 does the same job, included in a plan, for a fraction of the cost and without the extra wait before it starts answering.
Measured on Velqa
- Time to first token
- 0.98 s
- Throughput
- 43.8 tokens/s
Median of 5 streamed calls against api.velqa.dev, 2026-08-10.
Results announced by the provider
- FrontierSWE (Dominance) : 81.2 source (2026-07-16)
Call it
OpenAI-compatible endpoint — change the base URL and the model id, nothing else.
curl https://api.velqa.dev/v1/chat/completions \
-H "Authorization: Bearer $VELQA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "kimi-k3",
"messages": [{"role": "user", "content": "Hello"}]
}'Related models
FAQ
- How much does Kimi K3 cost on Velqa?
- Kimi K3 costs $3.349 per million input tokens and $16.744 per million output tokens, in USD. It is sold outside the plans, per token, on Boost credit.
- Can I use Kimi K3 without a subscription?
- Yes. Kimi K3 can be called with prepaid Boost credit, without a monthly plan. Trying it in the playground does need an account, though: anonymous playground access is limited to the demo model.
- Is Kimi K3 compatible with the OpenAI API?
- Yes. Point your client at https://api.velqa.dev/v1 and set the model to "kimi-k3" — Kimi K3 answers on the standard chat completions endpoint, streaming included.
