Kimi K2.6
Moonshot AIReleased Apr 20, 2026
Kimi K2.6 is Moonshot AI's next-generation multimodal model, designed for long-horizon coding, coding-driven UI/UX generation, and multi-agent orchestration. It handles complex end-to-end coding tasks across Python, Rust, and Go, and...
- Context window
- 262K tokens
- Max output
- 262K tokens
- Input
- text, image
- Output
- text
- Tokenizer
- Other
- Released
- Apr 20, 2026
- Reasoning
- optional
Pricing
Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.
| Per 1M tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $0.550 | $0.017 | $0.567 |
| Output | $3.20 | $0.096 | $3.30 |
| Cache read | $0.110 | $0.0033 | $0.113 |
Benchmarks
Artificial Analysis
- Intelligence index
- 42.8
- Coding index
- 56
- Agentic index
- 30.3
Design Arena
| Category | Elo | Win rate | Rank |
|---|---|---|---|
| agenticgamedevagents | 1184 | 50.2% | #7 |
| agentichtmlslidesagents | 1248 | 59% | #2 |
| agenticslidesagents | 1187 | 45.8% | #5 |
| agenticslides(html)agents | 1252 | 59.2% | #2 |
| agenticslides(python-pptx)agents | 1186 | 45.5% | #5 |
| androidnativeagents | 1212 | 50.7% | #12 |
| Full-stackagents | 1223 | 56.3% | #10 |
| godotgamedevagents | 1214 | 53% | #10 |
| htmlslidesagents | 1249 | 58.8% | #2 |
| Mobile appsagents | 1227 | 53.1% | #9 |
| pptxslidesagents | 1181 | 44.3% | #5 |
| python-pptxslidesagents | 1180 | 42.1% | #6 |
| Web appsagents | 1259 | 58.2% | #7 |
| 3Dmodels | 1355 | 62.9% | #3 |
| Codemodels | 1326 | 58.1% | #7 |
| Data vizmodels | 1303 | 56.8% | #9 |
| Game devmodels | 1316 | 58% | #12 |
| SVGmodels | 1234 | 52.4% | #18 |
| UI componentsmodels | 1320 | 57.2% | #10 |
| Websitesmodels | 1317 | 56.3% | #8 |
Head-to-head preference voting. How we filter and rank
Supported parameters
- frequency_penalty
- include_reasoning
- logit_bias
- logprobs
- max_tokens
- min_p
- parallel_tool_calls
- presence_penalty
- reasoning
- repetition_penalty
- response_format
- seed
- stop
- structured_outputs
- temperature
- tool_choice
- tools
- top_k
- top_logprobs
- top_p
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model moonshotai/kimi-k2.6.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "moonshotai/kimi-k2.6",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.openkey.ai/v1",
api_key=os.environ["OPENKEY_API_KEY"],
)
completion = client.chat.completions.create(
model="moonshotai/kimi-k2.6",
messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openkey.ai/v1",
apiKey: process.env.OPENKEY_API_KEY,
});
const completion = await client.chat.completions.create({
model: "moonshotai/kimi-k2.6",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does Kimi K2.6 cost via API?
- Through OpenKey, Kimi K2.6 costs $0.567 per 1M input tokens and $3.30 per 1M output tokens. That is the provider price ($0.550 / $3.20) plus a flat 3% fee — nothing else.
- What is Kimi K2.6's context window?
- Kimi K2.6 accepts up to 262K tokens of context and returns up to 262K tokens per request.
- Is Kimi K2.6 OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "moonshotai/kimi-k2.6" using any OpenAI SDK — only the base URL and API key change.
- What inputs does Kimi K2.6 support?
- Kimi K2.6 accepts text, image input and produces text output.
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