Kimi K3
by Moonshot AIChat
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work
- Context
- 1.05M tokens
- Max output
- 1,048,576 tokens
- Parameters
- 2.78T total, 104B active
- Released
- 2026-07-16
- Weights
- Open
- Licence
- kimi-k3
moonshotai/kimi-k3 · also seen as moonshot-ai/kimi-k3, k3-256k, k3, accounts/fireworks/models/kimi-k3, +35 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-07-16
- Weights
- Opennot gated
- License
- kimi-k3
- Input
- Text
- Output
- Text
- Context window
- 1,048,576 max across endpoints
- Max output
- 1,048,576
- Providers
- 67 + 30 gateways, not counted as providers
- Epoch Capabilities Index
- 157.4 ± 2.5 against price
- Direct price range
- $1.85–$6.00 in · $9.50–$30.00 out per 1M tokens · 51 of 67 providers have a comparable price
More details
- Last updated
- 2026-09-15
- Knowledge cutoff
- Weights link
- Hugging Face · moonshotai/Kimi-K3
- Parameters
- 2.78T total, 104B active
- Developer country
- China
- Training compute
- 2.0×10²⁵ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streaming
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $1.85 in / $9.50 out per 1M tokens at Chutes on every data refresh since then.
Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Kimi K3 |
|---|---|---|---|---|---|
| Gemini 3.5 FlashGoogle | $2.75 | $1.50 | $9.00 | 1.05M | +0% |
| Gemini Omni Flash PreviewGoogle | $2.75 | $1.50 | $9.00 | 131K | +0% |
| Kimi LatestMoonshot AI | $2.75 | $1.65 | $8.25 | 1.05M | +0% |
| GPT-5.6 TerraOpenAI | $2.75 | $1.50 | $9.00 | 1.05M | +0% |
| Gemini 2.5 Computer Use Preview 10-2025Google | $2.71 | $1.25 | $10 | 128K | −2% cheaper |
| Gemini 2.5 Pro Preview 06-05Google | $2.71 | $1.25 | $10 | 1.05M | −2% cheaper |
| OpenAI GPT-5.1 ChatOpenAI | $2.71 | $1.25 | $10 | 128K | −2% cheaper |
| Qwen3.8 2.4T A95B (NVFP4)Alibaba (Qwen) | $2.67 | $2.00 | $6.00 | 1M | −3% cheaper |
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