Mistral Small 31 24b Instruct vs Step 3.5 Flash
Both have similar output pricing, while Step 3.5 Flash offers a larger context window. Choose Mistral Small 31 24b Instruct or Step 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Mistral Small 31 24b Instruct | Step 3.5 Flash |
|---|---|---|
| Provider | NanoGPT | StepFun |
| Input / 1M tokens | $0.10 | $0.10 |
| Output / 1M tokens | $0.30 | $0.30 |
| Context window | 128K | 262K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Apr 2025 | Jan 2026 |
| LMArena (Chatbot Arena) Elo score | 1277 | 1403 |
| LMArena Vision Elo score | 1136 | — |
FAQ
Is Mistral Small 31 24b Instruct or Step 3.5 Flash cheaper?
Mistral Small 31 24b Instruct and Step 3.5 Flash have comparable output pricing.
Which has the larger context window, Mistral Small 31 24b Instruct or Step 3.5 Flash?
Step 3.5 Flash has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.