Devstral 2 2512 vs GPT-5.3 Codex
Devstral 2 2512 costs 7.0x less per output token.
Which Is Cheaper?
At 1M tokens/mo
Devstral 2 2512: $1
GPT-5.3 Codex: $8
At 10M tokens/mo
Devstral 2 2512: $12
GPT-5.3 Codex: $79
At 100M tokens/mo
Devstral 2 2512: $120
GPT-5.3 Codex: $788
Which Performs Better?
| Test | Devstral 2 2512 | GPT-5.3 Codex |
|---|---|---|
| Structured Output | — | — |
| Strategic Analysis | — | — |
| Constrained Rewriting | — | — |
| Creative Problem Solving | — | — |
| Tool Calling | — | — |
| Faithfulness | — | — |
| Classification | — | — |
| Long Context | — | — |
| Safety Calibration | — | — |
| Persona Consistency | — | — |
| Agentic Planning | — | — |
| Multilingual | — | — |