What is Kimi K2-0905?

Kimi K2-0905 is a large language model from Moonshot AI, released on September 5, 2025. It accepts text input.

When was Kimi K2-0905 released?

Moonshot AI released Kimi K2-0905 on September 5, 2025.

What is Kimi K2-0905's context window?

Kimi K2-0905 has a 256K-token context window.

How does Kimi K2-0905 score on benchmarks?

Kimi K2-0905 has 6 cited benchmark scores, including WeirdML (Håvard Tveit Ihle) 36.7%, Multi-SWE-Bench 33.5% and SWE-Bench Multilingual 55.9%. Each score links to its source.

Kimi K2-0905

Moonshot AI·Operational·Released 2025-09-05text

Context256k

Max output-

Input / 1M-

Output / 1M-

Cached in-

Benchmarks6

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

WeirdML (Håvard Tveit Ihle)

#81/9236.7% ↗

Multi-SWE-Bench

#3/433.5% ↗

SWE-Bench Multilingual

#2/255.9% ↗

SWE-Bench verified

69.2% ↗

SWE-Dev

66.6% ↗

Terminal-Bench (Terminus-2)

44.5% ↗

Compare

vs Gemini 4 Argon vs GPT-6.1 Sol vs Claude Sonnet 5.5 vs Muse Spark 1.3 vs GPT-6 Sol vs GPT-6 Luna vs Claude Opus 5.5 vs GPT-6 Astra

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Kimi K2-0905 FAQ

What is Kimi K2-0905?: Kimi K2-0905 is a large language model from Moonshot AI, released on September 5, 2025. It accepts text input.
When was Kimi K2-0905 released?: Moonshot AI released Kimi K2-0905 on September 5, 2025.
What is Kimi K2-0905's context window?: Kimi K2-0905 has a 256K-token context window.
How does Kimi K2-0905 score on benchmarks?: Kimi K2-0905 has 6 cited benchmark scores, including WeirdML (Håvard Tveit Ihle) 36.7%, Multi-SWE-Bench 33.5% and SWE-Bench Multilingual 55.9%. Each score links to its source.

Access Kimi K2-0905 and every other model through one endpoint with automatic failover: Respan gateway.