September 2025 Kimi K2 instruction update with a 256K context and improved agentic coding
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...
Context
262K
262,144 tokens
Max output
262K
262,144 tokens
Input
$0.63
per 1M tokens
Output
$2.51
per 1M tokens
Providers
12
12 listings
Intelligence
15.3
Intelligence Index
Pricing
USD per 1M tokens · listed by 302.AI
| Token type | Standard |
|---|---|
| Input | $0.63 |
| Output | $2.51 |
Lowest input price across providers: $0.40.
Capabilities
ReasoningNo
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsNo
Interleaved reasoningNo
Open weightsYes
ModeratedNo
Input
Text
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence15.3#121 of 208
- CodingNot scored—
- AgenticNot scored—
- Arena1,102#92 of 128
Rankings
Position on each OneAtlas leaderboard
Providers · 12
12 listings
302.AI
NanoGPT
Kilo Gateway
AI/ML API
OpenCode
Helicone
Novita AI
Qiniu
Hugging Face
Prime Inference
Jiekou.AI
IO.NET| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 302.AI | kimi-k2-0905-preview | 262K | — | 262K | $0.63 | $2.51 | — | — | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| AI/ML API | moonshotai/kimi-k2-0905 | 262K | — | 98K | $1.06 | $3.17 | — | — | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| Helicone | kimi-k2-0905 | 262K | — | 16K | $0.50 | $2.00 | — | $0.40 | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| Hugging Face | moonshotai/Kimi-K2-Instruct-0905 | 262K | — | 16K | $1.00 | $3.00 | — | — | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| IO.NET | moonshotai/Kimi-K2-Instruct-0905 | 33K | — | 4K | $0.57 | $2.30 | — | $0.28 | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| Jiekou.AI | moonshotai/kimi-k2-0905 | 262K | — | 100K | $0.60 | $2.50 | — | — | — | — | — | No | Yes | Yes | Yes | Sep 5, 2025 |
| Kilo Gateway | moonshotai/kimi-k2-0905 | 262K | — | 98K | $0.60 | $2.50 | — | — | — | — | — | No | Yes | Yes | Yes | Sep 5, 2025 |
| NanoGPT | moonshotai/Kimi-K2-Instruct-0905 | 262K | 262K | 100K | $0.40 | $1.80 | — | $0.20 | — | — | — | No | Yes | Yes | Yes | Sep 5, 2025 |
| Novita AI | moonshotai/kimi-k2-0905 | 262K | — | 98K | $0.60 | $2.50 | — | — | — | — | — | No | Yes | Yes | Yes | Sep 5, 2025 |
| OpenCode | kimi-k2 | 262K | — | 262K | $0.40 | $2.50 | — | $0.40 | — | — | — | No | Yes | Unknown | Yes | Sep 5, 2025 |
| Prime Inference | moonshotai/kimi-k2-0905 | 262K | — | 98K | $0.60 | $2.50 | — | — | — | — | — | No | Yes | Yes | Yes | Sep 5, 2025 |
| Qiniu | moonshotai/kimi-k2-0905 | 256K | — | 100K | — | — | — | — | — | — | — | No | Yes | No | Yes | Sep 5, 2025 |