DeepSeek V4.1 Flash 1017 vs Step 5 Preview
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| DeepSeek V4.1 Flash 1017 | Step 5 Preview | |
|---|---|---|
| Company | DeepSeek | StepFun |
| Released | Oct 2026 | Oct 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $0.15 | $1 |
| Output /1M tokens | $0.6 | $2.7 |
| Open weights | No | Yes |
Benchmarks
| Benchmark | DeepSeek V4.1 Flash 1017 | Step 5 Preview |
|---|---|---|
| Speed (tok/s) | — | 130 tok/s |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.