Kimi K2.6 API

moonshot/kimi-k2-6
Moonshot AI's Kimi K2.6 is the most capable open-source model available today. It scores 80.2% on SWE-Bench Verified, orchestrates up to 300 parallel sub-agents, and sustains autonomous execution across 4,000+ tool calls — matching closed frontier models at a fraction of the cost.
Context
262K tokens
Input
$1.235 / 1M tokens
Output
$5.2 / 1M tokens

How to use Kimi K2.6 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to moonshot/kimi-k2-6.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "moonshot/kimi-k2-6",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "moonshot/kimi-k2-6",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"moonshot/kimi-k2-6","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Kimi K2.6 API Pricing

TypePrice
Input
$1.235 / 1M tokens
Output
$5.2 / 1M tokens
Cached input
$0.208 / 1M tokens

Kimi K2.6 Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Terminal-Bench
66.7%
Autonomous shell/terminal task completionSourceJuly 12, 2026
LiveCodeBench
89.6%
Contamination-free competitive programming problemsSourceJuly 12, 2026
GPQA Diamond
90.5%
Google-proof graduate science questions (hardest subset)SourceJuly 12, 2026
SWE-bench Verified
80.2%
Resolving verified real GitHub issuesSourceJuly 12, 2026
Intelligence
31.3
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Coding
61.8
Composite score across standardised coding evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Kimi K2.6 vs other models

ModelInputOutputContextBest for
Kimi K2.6
This page
$1.235 / 1M tokens
$5.2 / 1M tokens
262K tokens
Coding + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Kimi K2.6 has a 262,000 tokens context window and can return up to 260,000 tokens.

Kimi K2.6 takes text as input and returns text.

Use moonshot/kimi-k2-6 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Kimi K2.6 is priced at input $1.235 / 1M tokens, output $5.2 / 1M tokens, cached input $0.208 / 1M tokens.

Yes, Kimi K2.6 can stream responses as they are generated.

Kimi K2.6 was built by Moonshot AI.

Yes. It supports function calling, parallel tool calls, structured outputs, and web search.

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