DeepSeek-V3.2 (Thinking) vs Gemini 3.8 Flash Cyber: Specs & Benchmark Comparison

DeepSeek-V3.2 (Thinking) is developed by DeepSeek, while Gemini 3.8 Flash Cyber comes from Google. DeepSeek-V3.2 (Thinking) was released in November 2025, and Gemini 3.8 Flash Cyber followed 10 months later in September 2026. DeepSeek-V3.2 (Thinking) has a published size of about 685 billion parameters; Google has not disclosed the parameter count of Gemini 3.8 Flash Cyber.

We have 14 benchmark results for DeepSeek-V3.2 (Thinking) and 4 benchmark results for Gemini 3.8 Flash Cyber, but they were measured on different benchmarks, so there is no like-for-like scoreboard.

DeepSeek-V3.2 (Thinking) is available through an API at $0.28 per million input tokens with a 131K-token context window. We do not track a hosted API for Gemini 3.8 Flash Cyber, so pricing and context cannot be compared directly.

CharacteristicDeepSeek-V3.2 (Thinking)Gemini 3.8 Flash Cyber
CompanyDeepSeekGoogle
Release DateNovember 30, 2025September 2, 2026
Parameters685B
MultimodalNoNo
Context (input)131K
Context (output)66K
Input Price / 1M$0.28
Output Price / 1M$0.42
Average Score68.5%74.6%

Verdict

Gemini 3.8 Flash Cyber leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V3.2 (Thinking) — 0.7, Gemini 3.8 Flash Cyber — 0.7.

Recency

Gemini 3.8 Flash Cyber is newer: released 9/2/2026 vs 11/30/2025.

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Frequently Asked Questions

Which is better for coding — DeepSeek-V3.2 (Thinking) or Gemini 3.8 Flash Cyber?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — DeepSeek-V3.2 (Thinking) or Gemini 3.8 Flash Cyber?
API pricing data is available on the individual model pages.
Which has a larger context window — DeepSeek-V3.2 (Thinking) or Gemini 3.8 Flash Cyber?
Context window data is available on the individual model pages.

The DeepSeek-V3.2 (Thinking) 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-V3.2 (Thinking) or Gemini 3.8 Flash Cyber page. See also the complete list of AI model comparisons.