Devstral Medium vs GPT-5.4 Mini
Devstral Medium costs 2.3x less per output token.
Which Is Cheaper?
At 1M tokens/mo
Devstral Medium: $1
GPT-5.4 Mini: $3
At 10M tokens/mo
Devstral Medium: $12
GPT-5.4 Mini: $26
At 100M tokens/mo
Devstral Medium: $120
GPT-5.4 Mini: $263
Which Performs Better?
| Test | Devstral Medium | GPT-5.4 Mini |
|---|---|---|
| Structured Output | — | — |
| Strategic Analysis | — | — |
| Constrained Rewriting | — | — |
| Creative Problem Solving | — | — |
| Tool Calling | — | — |
| Faithfulness | — | — |
| Classification | — | — |
| Long Context | — | — |
| Safety Calibration | — | — |
| Persona Consistency | — | — |
| Agentic Planning | — | — |
| Multilingual | — | — |