DeepSeek V4 Flash Latest vs Step 3.5 Flash
Both have similar output pricing, while DeepSeek V4 Flash Latest offers a larger context window. Choose DeepSeek V4 Flash Latest or Step 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4 Flash Latest | Step 3.5 Flash |
|---|---|---|
| Provider | DeepSeek | StepFun |
| Input / 1M tokens | $0.04 | $0.10 |
| Output / 1M tokens | $0.30 | $0.30 |
| Context window | 1M | 262K |
| Parameters | — | — |
| Open weights | — | Yes |
| Released | — | Jan 2026 |
| LiveBench score | 67.7 | — |
| LMArena (Chatbot Arena) Elo score | — | 1403 |
FAQ
Is DeepSeek V4 Flash Latest or Step 3.5 Flash cheaper?
DeepSeek V4 Flash Latest and Step 3.5 Flash have comparable output pricing.
Which has the larger context window, DeepSeek V4 Flash Latest or Step 3.5 Flash?
DeepSeek V4 Flash Latest has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.