DeepSeek-V4-Flash-0731 vs Gemini 3.8 Flash Cyber: Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Gemini 3.8 Flash Cyber comes from Google. DeepSeek-V4-Flash-0731 was released in July 2026, and Gemini 3.8 Flash Cyber followed 2 months later in September 2026. DeepSeek-V4-Flash-0731 has a published size of about 304 billion parameters; Google has not disclosed the parameter count of Gemini 3.8 Flash Cyber.
We have 9 benchmark results for DeepSeek-V4-Flash-0731 and 4 benchmark results for Gemini 3.8 Flash Cyber, but they overlap on a single test: CyberGym, where Gemini 3.8 Flash Cyber scores 86.2% against 77.0%.
DeepSeek-V4-Flash-0731 is available through an API at $0.14 per million input tokens with a 1M-token context window. We do not track a hosted API for Gemini 3.8 Flash Cyber, so pricing and context cannot be compared directly.
| Characteristic | DeepSeek-V4-Flash-0731 | Gemini 3.8 Flash Cyber |
|---|---|---|
| Company | DeepSeek | |
| Release Date | July 31, 2026 | September 2, 2026 |
| Parameters | 304B | — |
| Multimodal | No | No |
| Context (input) | 1.0M | — |
| Context (output) | 393K | — |
| Input Price / 1M | $0.14 | — |
| Output Price / 1M | $0.28 | — |
| Average Score | 57.5% | 74.6% |
| Benchmarks | ||
| CyberGym | 77.0% | 86.2% |
Visual Benchmark Comparison
Verdict
Gemini 3.8 Flash Cyber leads in 1 out of 2 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Gemini 3.8 Flash Cyber — 0.7.
Gemini 3.8 Flash Cyber is newer: released 9/2/2026 vs 7/31/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Gemini 3.8 Flash Cyber?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Gemini 3.8 Flash Cyber?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Gemini 3.8 Flash Cyber?
The DeepSeek-V4-Flash-0731 and Gemini 3.8 Flash Cyber 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-0731 or Gemini 3.8 Flash Cyber page. See also the complete list of AI model comparisons.