MoonshotAI: Kimi K3.1 Pro pricing
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. MoonshotAI: Kimi K3.1 Pro from OpenRouter costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. Cached input is $0.200 per 1M. Context window 1,048,576 tokens.
API id moonshotai/kimi-k3.1-pro · OpenRouter · source · updated 2026-11-10 · general-purpose
$2.00
Input / 1M tokens
$10.00
Output / 1M tokens
$0.200
Cached input / 1M
1M
Context window
MoonshotAI: Kimi K3.1 Pro specifications
- Provider
- OpenRouter
- API id
moonshotai/kimi-k3.1-pro- Model type
- general-purpose
- Context window
- 1M tokens
- Max output
- 944K tokens
- Currency
- USD
- Price source
- Provider API
- Last checked
- 2026-11-10
Tags
- flagship
- vision
Kimi K3.1 Pro across providers
The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.
| Provider | Input /1M | Cached /1M | Output /1M | 1M in + 1M out | vs vendor |
|---|---|---|---|---|---|
| $2.00 | $0.200 | $10.00 | $12.00 | — | |
| $2.00 | $0.200 | $10.00 | $12.00 | — | |
| $2.00 | $0.200 | $10.00 | $12.00 | — | |
Together AIHost | $2.00 | $0.200 | $10.00 | $12.00 | — |
What MoonshotAI: Kimi K3.1 Pro costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0070 |
| Document summary | 50,000 | 2,000 | $0.12 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $4.00 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
Common questions
- How much does MoonshotAI: Kimi K3.1 Pro cost per 1M tokens?
- MoonshotAI: Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens on the standard tier. Cached input is $0.200 per 1M.
- What is MoonshotAI: Kimi K3.1 Pro's context window?
- MoonshotAI: Kimi K3.1 Pro accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.
- Is there a cheaper OpenRouter model than MoonshotAI: Kimi K3.1 Pro?
- Yes. Free Models Router is free per 1M input tokens versus $2.00 for MoonshotAI: Kimi K3.1 Pro, with a 200,000 token context window.
- Where does this MoonshotAI: Kimi K3.1 Pro price come from?
- From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.
Head-to-head comparisons
Other OpenRouter models
- Nex AGI: Nex-N2.6 $0.120
- Thinking Machines: Inkling 2 Small (free) Free
- Anthropic: Claude Fable 5.2 $8.00
- Meta: Muse Ember $0.100
- LiquidAI: LFM3-1.7B $0.080
- LiquidAI: LFM3-1.7B (free) Free
- Google: Gemini Omni 1.2 Flash $1.50
- Google: Gemini Omni 1.1 Flash $1.50
- Ricursive: Ripple 65B Preview $0.200
- Tencent: Hy4 $0.417
- Z.ai: GLM 5.3 FlashX Legal $0.370
- Particle AI: Particle-1 $0.050
- OpenAI: GPT-6.1 Terra Pro $1.00
- OpenAI: GPT-6.1 Terra $1.00
- Recursive: Flint (free) Free
- MiniMax: MiniMax M3.1 Flash $0.150