GPT-5.4 Nano vs Mistral Large 4: cost per task
GPT-5.4 Nano is cheaper on 14 of 14 tasks and about 6.8x cheaper on average (geometric mean). Mistral Large 4 has the higher LMArena Text score (1432 vs 1401).
| Task | GPT-5.4 Nano | Mistral Large 4 | Difference |
|---|---|---|---|
| Answer a chat question | 0.15¢ | 0.29¢ | 2.0x |
| Reply to a customer email | 0.02¢ | 0.76¢ | 44.8x |
| Write a 1,500-word blog post | 0.30¢ | 1.6¢ | 5.5x |
| Write 10 product descriptions | 0.13¢ | 0.66¢ | 5.0x |
| Translate 1,000 words | 0.20¢ | 2.6¢ | 13.1x |
| Proofread one page (500 words) | 0.11¢ | 0.92¢ | 8.4x |
| Summarize a 20-page PDF | 0.33¢ | 1.4¢ | 4.2x |
| Extract data from an invoice | 0.08¢ | 0.58¢ | 7.5x |
| Analyze a 200-row spreadsheet | 0.44¢ | 2.6¢ | 5.8x |
| Answer from 5 retrieved documents (RAG) | 0.12¢ | 0.92¢ | 8.0x |
| Classify 100 support tickets | 0.15¢ | 1.6¢ | 10.6x |
| Review 500 lines of code | 0.75¢ | 2.2¢ | 3.0x |
| Write a SQL query | 0.10¢ | 0.67¢ | 6.7x |
| Run a 50-step coding agent | 8.7¢ | 52¢ | 6.0x |
Specs and list prices
| GPT-5.4 Nano | Mistral Large 4 | |
|---|---|---|
| Input per 1M | $0.20 | $0.68 |
| Output per 1M | $1.25 | $2.09 |
| Cached input per 1M | $0.02 | $0.07 |
| Context | 400K | 1M |
| Providers | 4 | 3 |
| Reasoning | default | default |
| LMArena Text | 1401 | 1432 |
| Released | Mar 17, 2026 | Oct 6, 2026 |
FAQ
Is GPT-5.4 Nano or Mistral Large 4 cheaper?
GPT-5.4 Nano is cheaper on 14 of 14 tasks and about 6.8x cheaper on average (geometric mean). Mistral Large 4 has the higher LMArena Text score (1432 vs 1401).
How much does GPT-5.4 Nano cost compared to Mistral Large 4 per token?
GPT-5.4 Nano: $0.20 input and $1.25 output per 1M tokens. Mistral Large 4: $0.68 input and $2.09 output. Token prices alone mislead - models use different numbers of tokens for the same task, which is what the task table shows.