Kimi K2 0905 pricing & benchmarks
Released Sep 4, 2025 · served by 2 providers
What Kimi K2 0905 is
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...
- Model ID:
moonshotai/kimi-k2-0905 - Modality: text->text
- Knowledge cutoff: 2024-12-31
- Tool calling: supported · Structured output: supported
- Weights:
moonshotai/Kimi-K2-Instruct-0905on Hugging Face
Providers and prices for Kimi K2 0905
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| Novitacheapest | $0.600 | $2.50 | 262K | fp8 | 98.7% | — |
| Groq | $1.00 | $3.00 | 262K | — | 99.6% | — |
Kimi K2 0905 benchmark results
Design Arena head-to-head results, as reported through the OpenRouter model API.
| Category | Arena | Rank | Elo | Win rate |
|---|---|---|---|---|
| codecategories | models | #80 | 1128 | 48.5% |
| website | models | #81 | 1132 | 48.3% |
FAQ
How much does the Kimi K2 0905 API cost?
$0.600 per 1M input tokens and $2.50 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $1.35.
Is Kimi K2 0905 free?
No. It is a paid model starting at $0.600 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for Kimi K2 0905?
Novita at $0.600 input / $2.50 output per 1M tokens (fp8 quantization).
Can I self-host Kimi K2 0905?
Yes — weights are published as moonshotai/Kimi-K2-Instruct-0905 on Hugging Face, so you can run it on your own hardware.