Kimi K3 API pricing
15 providers serve Kimi K3. Kimi K3 is a proprietary API model, up to 1049K context. Prices below are per 1M tokens, cheapest input first.
Refreshed 2026-10-20 · list prices from provider APIs| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context | |
|---|---|---|---|---|---|
| OpenRouter marketplace quote | $0.239 | $11.94output floor | $0.210 | 1049K | Use |
| Sail | $2.50 | $12.50 | $0.250 | 1049K | |
| Scx AI | $2.83 | $14.13 | $0.280 | 1000K | |
| DeepInfra | $2.85 | $14.25 | $0.285 | 1049K | Use |
| Databricks | $3.00 | $15.00 | $0.300 | 1000K | Use |
| Github Copilot | $3.00 | $15.00 | $0.300 | 918K | |
| Moonshot | $3.00 | $15.00 | $0.300 | 1049K | Use |
| Nebius | $3.00 | $15.00 | - | 1024K | Use |
| Together AI | $3.00 | $15.00 | $0.300 | 1049K | Use |
| Tencent | $3.00 | $15.00 | $0.300 | 1000K | |
| Fireworks AI | $3.00 | $15.00 | $0.300 | 1049K | Use |
| Novita AI | $3.00 | $15.00 | $0.300 | 1049K | Use |
| Aihubmix | $3.00 | $15.00 | $0.300 | 1049K | |
| Baseten | $3.00 | $15.00 | $0.300 | 1049K | Use |
| AWS Bedrock | $3.30 | $16.50 | $0.330 | 1000K | Use |
The cheapest way to run Kimi K3
On an illustrative 70M-input / 30M-output monthly workload, today's lowest listed cost is roughly $375/month, at OpenRouter. Input-heavy, output-heavy and cache-heavy workloads can produce different winners. Use the live mix calculator below rather than combining floors from two different providers. It is API-only, so the table above is your full set of options. Run your own numbers in the breakeven calculator, or read the breakeven math.
Your actual monthly cost
Cache read uses the listed cache rate where available; otherwise it falls back to normal input price. Batch, write-cache, volume and negotiated discounts are excluded.
Related models
| Model | Cheapest in $/1M | Cheapest out $/1M | Providers |
|---|---|---|---|
| Kimi K2.7 Code | $0.671 | $3.35 | 16 |
| Kimi K2.6 | $0.650 | $3.40 | 14 |
| Kimi K2.5 | $0.450 | $2.25 | 9 |
| Kimi K2 Thinking | $0.600 | $1.20 | 9 |
| Kimi K2 | $0.500 | $2.00 | 8 |
| Kimi K3 (batch) | $2.28 | $11.40 | 1 |
FAQ
What is the cheapest API for Kimi K3?
As of 2026-10-20, the lowest input price for Kimi K3 is OpenRouter at $0.239 per 1M input tokens. The lowest output price is OpenRouter at $11.94 per 1M output tokens. The cheapest provider for a real workload depends on its input/output mix. The next-lowest input price is Sail at $2.50, a 946% difference.
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