Gemini 3.8 Flash vs Mistral Large 4: Specs & Benchmark Comparison
Gemini 3.8 Flash is developed by Google, while Mistral Large 4 comes from Mistral AI. Gemini 3.8 Flash was released in September 2026, and Mistral Large 4 followed a month later in October 2026. Mistral Large 4 has a published size of about 1.1 trillion parameters; Google has not disclosed the parameter count of Gemini 3.8 Flash.
The two models share 4 published benchmarks. They split them evenly, 2 to 2. The widest gaps are on GDP.pdf, where Gemini 3.8 Flash scores 35.0% against 18.6%; DeepSWE 1.1, where Gemini 3.8 Flash scores 73.7% against 61.7%. Averaged across everything we track, Gemini 3.8 Flash sits at 59.2% and Mistral Large 4 at 60.4%.
On price the two are close: Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens, Mistral Large 4 $0.68 and $2.09. Both accept a context window of about 1M tokens. Gemini 3.8 Flash accepts text, images, audio, and video as input, while Mistral Large 4 accepts text and images.
| Characteristic | Gemini 3.8 Flash | Mistral Large 4 |
|---|---|---|
| Company | Mistral AI | |
| Release Date | September 2, 2026 | October 6, 2026 |
| Parameters | — | 1.1T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | — |
| Input Price / 1M | $0.75 | $0.68 |
| Output Price / 1M | $3.75 | $2.09 |
| Average Score | 59.2% | 60.4% |
| Benchmarks | ||
| GDP.pdf | 35.0% | 18.6% |
| DeepSWE 1.1 | 73.7% | 61.7% |
| Terminal-Bench 4.0 | 19.1% | 28.3% |
| Harvey's Legal Agent Benchmark | 10.0% | 15.8% |
Visual Benchmark Comparison
Verdict
Mistral Large 4 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Gemini 3.8 Flash — 0.6, Mistral Large 4 — 0.6.
Mistral Large 4 is 1.6x cheaper: input $0.68/1M vs $0.75/1M tokens.
Same context size: 1M tokens.
Mistral Large 4 is newer: released 10/6/2026 vs 9/2/2026.
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Frequently Asked Questions
Which is better for coding — Gemini 3.8 Flash or Mistral Large 4?
Which model is cheaper — Gemini 3.8 Flash or Mistral Large 4?
Which has a larger context window — Gemini 3.8 Flash or Mistral Large 4?
The Gemini 3.8 Flash and Mistral Large 4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.8 Flash or Mistral Large 4 page. See also the complete list of AI model comparisons.