Kimi K3 Fast pricing
Kimi K3 Fast, Flagship-tier from inference.net, costs $4.50 per 1M input tokens and $22.50 per 1M output tokens.
Input$4.50per 1M tokens
Output$22.50per 1M tokens
Context window1.05Mtokens
TierFlagshipinference.net
Price your own workload against Kimi K3 Fast in the calculator →
Specs and pricing
| Provider | inference.net |
| Tier | Flagship |
| Context window | 1.05M tokens |
| Max output | 1.05M tokens |
| Input price | $4.50 / 1M tokens |
| Output price | $22.50 / 1M tokens |
| Cache read | $0.45 / 1M tokens |
| Modalities | text |
Note. Inference.net gateway price for Kimi K3 Fast (Moonshot AI), converted from the site's published per-token rate (costInputPerToken=0.000005, costOutputPerToken=0.000023 USD/token) to USD per 1M tokens: $4.5/1M input, $22.5/1M output, $0.45/1M cache read.
What it costs at realistic volumes
Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:
| Volume (4:1 in:out ratio) | Input cost | Output cost | Total / month |
|---|---|---|---|
| 1,000,000 in / 250,000 out | $4.50 | $5.63 | $10.13 |
| 10,000,000 in / 2,500,000 out | $45.00 | $56.25 | $101.25 |
| 100,000,000 in / 25,000,000 out | $450.00 | $562.50 | $1,013 |
Cheaper alternatives
Same tier (Flagship), a different provider, and a lower blended cost at the 4:1 ratio used above:
| Model | Provider | $/1M in | $/1M out | At the 4:1 ratio |
|---|---|---|---|---|
| Qwen3 235B A22B Instruct 2507 | Novita AI | $0.09 | $0.58 | 97.7% cheaper blended |
| GPT-OSS 120B | Groq | $0.15 | $0.60 | 97% cheaper blended |
| Qwen3 235B-A22B (2507) | Parasail | $0.14 | $0.80 | 96.6% cheaper blended |
| Llama 4 Maverick | Together AI | $0.27 | $0.85 | 95.2% cheaper blended |
| Llama 4 Maverick Instruct | Novita AI | $0.27 | $0.85 | 95.2% cheaper blended |