DeepSeek-V3.2 (Thinking) vs Step-3.5-Flash: Specs & Benchmark Comparison
| Characteristic | DeepSeek-V3.2 (Thinking) | Step-3.5-Flash |
|---|---|---|
| Company | DeepSeek | StepFun |
| Release Date | November 30, 2025 | February 1, 2026 |
| Parameters | 685B | 196B |
| Multimodal | No | Yes |
| Context (input) | 131K | 66K |
| Context (output) | 66K | 8K |
| Input Price / 1M | $0.28 | $0.10 |
| Output Price / 1M | $0.42 | $0.40 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| AIME 2025 | 0.9 | 1.0 |
Visual Benchmark Comparison
DeepSeek-V3.2 (Thinking)
Step-3.5-Flash
AIME 20250.9 vs 1.0
0.9
1.0
Verdict
Step-3.5-Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: DeepSeek-V3.2 (Thinking) — 0.9, Step-3.5-Flash — 0.8.
API Cost
Step-3.5-Flash is 1.4x cheaper: input $0.10/1M vs $0.28/1M tokens.
Context Window
DeepSeek-V3.2 (Thinking) supports a larger context: 131K vs 66K tokens.
Recency
Step-3.5-Flash is newer: released 2/1/2026 vs 11/30/2025.
More About These Models
Related Comparisons
The DeepSeek-V3.2 (Thinking) and Step-3.5-Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V3.2 (Thinking) or Step-3.5-Flash page. See also the complete list of AI model comparisons.