Mistral
Devstral Small 2505
CTX128K
Retired
Tools
TextInput$0.10/M
TextOutput$0.30/M
Legacy model retained for compatibility with older integrations
Open weightsApache 2.0565/1044
Mistral · Text line
Devstral Small
2 stages over 7 months, from Devstral Small 2505 in May 2025 to Devstral Small 2 in Dec 2025.
Evolution chamber01 / 02
Ready to evolve
Every generation. A new possibility.
Devstral Small 2505 · May 20252 stages, from Devstral Small 2505 (May 2025) to Devstral Small 2 (Dec 2025). Press Evolve to watch each step.
How it grew
Context window
Max output
Every stage
v1 Stage 1
MistralDevstral Small 2505
CTX128KRetiredToolsTextInput$0.10/MTextOutput$0.30/MLegacy model retained for compatibility with older integrations
Open weightsApache 2.0565/1044+1 more in v1
v2 Stage 2
MistralDevstral Small 2
CTX256KRetiredVision · ToolsTextImageInputFreeTextOutputFreeLegacy model retained for compatibility with older integrations
FreeApache 2.0723/1044+1 more in v2