Moonshot AI
Kimi K2 0905
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2).
At a glance
- Input / 1M
- $0.60
- Output / 1M
- $2.50
- Context
- 262K
- Max output
- 98K
- Intelligence
- 15.3
- Released
- Sep 2025
Pricing
Kimi K2 0905 API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $0.60 |
|---|---|
| Output tokensPer 1M tokens | $2.50 |
| Cached input (read)Per 1M tokens | Not available |
| Cache writePer 1M tokens | Not available |
Chat message
2K in, 500 out
$2.45
per 1,000 requests
Coding task
30K in, 4K out
$28
per 1,000 requests
Long document summary
150K in, 2K out
$95
per 1,000 requests
Benchmarks
Kimi K2 0905 benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
15.3
Coding index
Not available
Agentic index
Not available
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 262K tokens
- Max output
- 98K tokens
- Input types
- Text
- Output types
- Text
- Reasoning effort
- Not available
- Release date
- September 4, 2025
- Knowledge cutoff
- December 31, 2024
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
Kimi K2 0905 vs other models
See how Kimi K2 0905 stacks up head to head on price, benchmarks, and features.
Kimi K2 0905 vs Gemini 3.1 Flash Lite
Moonshot AI vs Google
See comparisonKimi K2 0905 vs Gemini 2.5 Flash
Moonshot AI vs Google
See comparison
Kimi K2 0905 vs Qwen3.5-122B-A10B
Moonshot AI vs Qwen
See comparison
Kimi K2 0905 vs Claude Haiku 4.5
Moonshot AI vs Anthropic
See comparison
Kimi K2 0905 vs o4 Mini
Moonshot AI vs OpenAI
See comparisonKimi K2 0905 vs Gemini 2.5 Pro
Moonshot AI vs Google
See comparisonAlternatives
Kimi K2 0905 alternatives
Similar models worth considering, and where each one has the edge.
Qwen
Qwen3.5-122B-A10B
Anthropic
Claude Haiku 4.5
OpenAI
o4 Mini
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does Kimi K2 0905 cost?
Kimi K2 0905 costs $0.60 per 1M input tokens and $2.50 per 1M output tokens through the API. A typical chat message costs about $2.45 per 1,000 messages.
What is the context window of Kimi K2 0905?
Kimi K2 0905 accepts up to 262K tokens of input and can write up to 98K tokens in a single response.
What is the best alternative to Kimi K2 0905?
Qwen3.5-122B-A10B from Qwen is a strong alternative. It offers: 1.2x cheaper output, higher intelligence score, accepts image and video.
Can I use Kimi K2 0905 alongside other models?
Yes. Shortcut Chat sends one prompt to Kimi K2 0905 and any other models you pick at the same time, so you can compare answers side by side.
Try Kimi K2 0905 next to every other model.
Use Kimi K2 0905 alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.