Kimi K2 0905 Preview API

moonshotai/kimi-k2-0905
Kimi K2 0905 Preview offers a range of key advantages that make it exceptionally well-suited for complex enterprise applications.
Context
262K tokens
Input
$1.3754 / 1M tokens
Output
$4.1262 / 1M tokens

How to use Kimi K2 0905 Preview API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to moonshotai/kimi-k2-0905.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "moonshotai/kimi-k2-0905",
      "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": "moonshotai/kimi-k2-0905",
    "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":"moonshotai/kimi-k2-0905","messages":[{"role":"user","content":"Hello!"}]}'

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

Kimi K2 0905 Preview API Pricing

TypePrice
Input
$1.3754 / 1M tokens
Output
$4.1262 / 1M tokens

Kimi K2 0905 Preview Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Terminal-Bench
44.5%
Autonomous shell/terminal task completionSourceJuly 13, 2026
SWE-bench Verified
69.2%
Resolving verified real GitHub issuesSourceJuly 13, 2026
Intelligence
15.3
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Math
57.3
Composite score across standardised mathematics evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Kimi K2 0905 Preview vs other models

ModelInputOutputContextBest for
$1.3754 / 1M tokens
$4.1262 / 1M tokens
262K tokens
Reasoning + 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 0905 Preview has a 262,144 tokens context window and can return up to 100,352 tokens.

Kimi K2 0905 Preview takes image, text as input and returns text.

Use moonshotai/kimi-k2-0905 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Kimi K2 0905 Preview is priced at input $1.3754 / 1M tokens, output $4.1262 / 1M tokens.

Yes, Kimi K2 0905 Preview can stream responses as they are generated.

Yes, Kimi K2 0905 Preview accepts image input alongside text.

Kimi K2 0905 Preview was built by Moonshot AI.

Yes, it supports tool calling, including parallel tool calls and function calling.

Start building with Kimi K2 0905 Preview

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