stepfun-ai/Step-3.5-Flash vs deepseek-ai/DeepSeek-V3
stepfun-ai/Step-3.5-Flash is cheaper on output tokens, while stepfun-ai/Step-3.5-Flash offers a larger context window. Choose stepfun-ai/Step-3.5-Flash or deepseek-ai/DeepSeek-V3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | stepfun-ai/Step-3.5-Flash | deepseek-ai/DeepSeek-V3 |
|---|---|---|
| Provider | SiliconFlow (China) | SiliconFlow (China) |
| Input / 1M tokens | $0.10 | $0.25 |
| Output / 1M tokens | $0.30 | $1.00 |
| Context window | 262K | 164K |
| Parameters | — | 671B |
| Open weights | No | No |
| Released | Feb 2026 | Dec 2024 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.