MoonshotAI: Kimi K2 0905
Analysis Summary
MoonshotAI: Kimi K2 0905 sits in the Specialist tier on our leaderboard, ranked #89 of 544 published models on overall intelligence. At $0.400 input and $2.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, and reasoning.
Editorial notes
Kimi K2 0905 from MoonshotAI delivers good reasoning and agentic capability with a 262K context window and tool use support, though intelligence benchmarks sit at the lower tier of the broader field.
Assessed May 5, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Kimi K2 0905 is the September update of Kimi K2 0711. It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does MoonshotAI: Kimi K2 0905 stack up?
Compare side-by-side with other specialist models.
Model Information
| OpenRouter ID |
moonshotai/kimi-k2-0905
|
| Provider | moonshotai |
| Release Date | September 4, 2025 |
| Context Length | 262,144 tokens |
| Max Completion | 262,144 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.40 | $0.000400 |
| Output | $2.00 | $0.002000 |
Live Performance
Live endpoint metrics ā refreshed every 30 minutes.
