LLM Comparison
Step 3.5 Flash vs DeepSeek V3.2 Exp
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
S Step 3.5 Flash | D DeepSeek V3.2 Exp | |
|---|---|---|
| Organization | StepFun | DeepSeek |
| OpenTools Score | 48 142 | |
| Family | Step | DeepSeek |
| Status | Current | Current |
| Release Date | Jan 2026 | Sep 2025 |
| Context Window | 262K tokens | 164K tokens |
| Input Price | $0.10/M tokens | $0.27/M tokens |
| Output Price | $0.30/M tokens | $0.41/M tokens |
| Capabilities | textcode | textcode |
| Max Output | 66K tokens | 66K tokens |
| API Identifier | stepfun/step-3.5-flash | deepseek/deepseek-v3.2-exp |
| Benchmarks | ||
| MMLU-Pro | — | 85deepseek |
| GPQA Diamond | — | 79.9deepseek |
| AIME 2025 | — | 89deepseek |
| HMMT 2025 | — | 84deepseek |
| SWE-bench Verified | — | 67.8deepseek |
| Terminal-Bench | — | 37.7deepseek |
| BrowseComp | — | 40.1deepseek |
| View Step 3.5 Flash | View DeepSeek V3.2 Exp | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Step 3.5 FlashCheapest | $0.10 | $0.15 | $0.25 | — |
| DeepSeek V3.2 Exp | $0.27 | $0.21 | $0.48 | +90% |
StepFun
Step 3.5 Flash
Step 3.5 Flash is a large language model from StepFun. Supports up to 262,144 token context window. Available from $0.10/M input tokens.
DeepSeek
DeepSeek V3.2 Exp
DeepSeek V3.2 Exp is a large language model from DeepSeek. Supports up to 163,840 token context window. Achieves 87.1% on MMLU. Available from $0.27/M input tokens.
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