DeepSeek-V4-Flash-Vision-Exp vs Qwen3.8 Max: Specs & Benchmark Comparison
DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek, while Qwen3.8 Max comes from Alibaba. Both were released in August 2026. Qwen3.8 Max has a published size of about 2.4 trillion parameters; DeepSeek has not disclosed the parameter count of DeepSeek-V4-Flash-Vision-Exp.
The two models share 4 published benchmarks. Qwen3.8 Max leads on 3 of them, DeepSeek-V4-Flash-Vision-Exp on 1. The widest gaps are on Agents' Last Exam, where Qwen3.8 Max scores 52.4% against 27.3%; Terminal-Bench 2.1, where Qwen3.8 Max scores 86.6% against 83.9%. Averaged across everything we track, DeepSeek-V4-Flash-Vision-Exp sits at 50.4% and Qwen3.8 Max at 71.0%.
DeepSeek-V4-Flash-Vision-Exp is the cheaper API at $0.22 per million input tokens and $0.66 per million output tokens, roughly 11 times cheaper than Qwen3.8 Max at $2.50 and $6.25. Both accept a context window of about 1M tokens. Both accept text and images as input. On tooling, only Qwen3.8 Max supports function calling and only Qwen3.8 Max offers structured output.
| Characteristic | DeepSeek-V4-Flash-Vision-Exp | Qwen3.8 Max |
|---|---|---|
| Company | DeepSeek | Alibaba |
| Release Date | August 21, 2026 | August 2, 2026 |
| Parameters | — | 2.4T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $0.22 | $2.50 |
| Output Price / 1M | $0.66 | $6.25 |
| Average Score | 50.4% | 71.0% |
| Benchmarks | ||
| Agents' Last Exam | 27.3% | 52.4% |
| Terminal-Bench 2.1 | 83.9% | 86.6% |
| NL2Repo | 57.7% | 55.9% |
| AutomationBench | 25.7% | 27.3% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Flash-Vision-Exp leads in 3 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-Vision-Exp — 0.5, Qwen3.8 Max — 0.7.
DeepSeek-V4-Flash-Vision-Exp is 9.9x cheaper: input $0.22/1M vs $2.50/1M tokens.
DeepSeek-V4-Flash-Vision-Exp supports a larger context: 1M vs 1M tokens.
DeepSeek-V4-Flash-Vision-Exp is newer: released 8/21/2026 vs 8/2/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or Qwen3.8 Max?
Which model is cheaper — DeepSeek-V4-Flash-Vision-Exp or Qwen3.8 Max?
Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or Qwen3.8 Max?
The DeepSeek-V4-Flash-Vision-Exp and Qwen3.8 Max comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-Vision-Exp or Qwen3.8 Max page. See also the complete list of AI model comparisons.