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GPT-5.4 vs Mistral Large 4
List-price comparison ·GPT-5.4 details ·Mistral Large 4 details
For a typical workload (100,000 requests / mo), Mistral Large 4 is the cheapest — 82% less than the priciest here ($165.20/mo vs $900.00/mo).
| GPT-5.4 | Mistral Large 4 | |
|---|---|---|
| Input / 1M tokens | $2.50 | $0.680 |
| Output / 1M tokens | $15.00 | $2.09 |
| Typical request (1,200 in + 400 out) | $0.009 | $0.0017 |
| Context window | 1050k tokens | 524,288 tokens |
| Max output | 128k tokens | 262,144 tokens |
| Quality score | 95/100 | 87/100 |
| Tier | Flagship | Flagship |
| Provider | OpenAI | Mistral AI |
Projected monthly cost
| Requests / mo | GPT-5.4 | Mistral Large 4 |
|---|---|---|
| 1,000 | $9.00 | $1.65 |
| 10,000 | $90.00 | $16.52 |
| 100,000 | $900.00 | $165.20 |
GPT-5.4
Excellent general-purpose reasoning and broad world knowledge, with strong performance on coding, math, and multi-modal (image + file) inputs.
Output tokens are priced well above input tokens, so verbose responses dominate cost — tight max-token limits and prompt caching matter.
Mistral Large 4
Auto-synced from OpenRouter — no editorial write-up yet.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.