Kimi K2.8 Preview API
- Input
- $1per 1M tokens
- Output
- $4per 1M tokens
- Cached input
- $0.25per 1M tokens
- Context
- 1M
Kimi K2.8 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Explore Kimi K2.8 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.
- OpenAI-style Chat Completions
- Anthropic-style Messages
- OpenAI-style Responses
Model details
- Context window
- 1M tokens
- Max output
- 1M tokens
- Input
- Text, images
- Output
- Text
- Capabilities
- Reasoning, Vision, Tool calling, Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
Kimi K2.8 Preview API pricing
Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.
| Metric | Price |
|---|---|
| Input | $1 |
| Cached input | $0.25 |
| Output | $4 |
What Kimi K2.8 Preview costs for real work
Typical workloads at list price, worked out from the rates above. Nothing is added on top.
| Workload | Tokens | Cost |
|---|---|---|
| 1,000 chat replies | 1,500 tokens in, 400 out, each | $3.10 |
| Summarise a 100-page document | 60K tokens in, 2K out | $0.068 |
| 10M tokens of coding-agent work | 10M tokens: 85% cached input, 12% fresh input, 3% output | $4.53 |
| 1M output tokens | Generated text only | $4.00 |
Kimi K2.8 Preview is pay-as-you-go only
Kimi K2.8 Preview is not included in Token Plans. Call it from a pay-as-you-go balance at the list price above, with no gateway fee.
Why teams pick it
- Kimi K2.8 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
API availability
Availability for this model has not yet been verified. You can compare its features and pricing; request examples will appear once availability is confirmed.
Availability not yet verified
Availability not yet verified
Availability not yet verified
Use Kimi K2.8 Preview in your tools
Every coding agent below has a setup guide. Set the model to kimi-k2.8-preview.
More from Moonshot AI
Alternatives to Kimi K2.8 Preview
- GPT-5.4 MiniGPT-5.4 Mini for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.OpenAI
- GLM-5 TurboGLM-5 Turbo for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Z.ai
- Grok 4.20 Non-ReasoningGrok 4.20 Non-Reasoning for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.xAI
Questions about this model
- How much does the Kimi K2.8 Preview API cost?
- Kimi K2.8 Preview costs $1 per 1M input tokens and $4 per 1M output tokens on Inferray, and cached input is $0.25 per 1M. That is the list price, with no gateway fee on top.
- Is there a free tier for Kimi K2.8 Preview?
- No. You add credit and pay Kimi K2.8 Preview's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.
- Am I charged for failed requests?
- No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.
- Is Kimi K2.8 Preview included in Token Plans?
- No. Kimi K2.8 Preview is pay-as-you-go only; Token Plans cover the other text models in the catalog.
- Can I use Kimi K2.8 Preview in Claude Code?
- Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to kimi-k2.8-preview. The same key works in Codex, opencode, Cline, and other agents.
- Does Kimi K2.8 Preview support tool calling and vision?
- Kimi K2.8 Preview supports tool calling, image input, reasoning, JSON output and streaming on Inferray.
- Is it the real Kimi K2.8 Preview?
- Yes. A request for kimi-k2.8-preview is answered by Kimi K2.8 Preview from Moonshot AI, billed at its published list price. Inferray never substitutes a different or smaller model.
Prices from the catalog as of November 12, 2026.