Standard Compute
Model comparison 2026

Gemini 3.8 Flash vs Mistral Large 3

Gemini 3.8 Flash
Google · Balanced · Proprietary
$1.65/1M · 1.0M ctx
Mistral Large 3
Mistral · Balanced · Open weights
$0.80/1M · 262K ctx

Community vote

Pick a winner in each dimension. You can change your vote any time.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for money
How much capability you get per dollar
Reliability
Consistent results: fewer refusals, loops and format breaks

Specs and pricing side by side

Spec
Gemini 3.8 Flash
Mistral Large 3
Maker
Google
Mistral
Blended price / 1M
$1.65
$0.80
Input / output
$0.75 in · $3.75 out / 1M tokens
$0.50 in · $1.50 out / 1M tokens
Context window
1.0M
262K
Open weights
No
Yes
Tool use
Yes
Yes
Reasoning
Yes
No
Output Quality
9.1
8.0
Agentic Ability
8.9
7.8
Speed
9.2
8.0
Value for money
8.8
8.9
Reliability
8.9
8.6

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Gemini 3.8 Flash or Mistral Large 3?

Updated 2026-10-13

Choose Gemini 3.8 Flash if you want high-throughput agents and Gemini CLI users who want speed and big context. Choose Mistral Large 3 if you want general-purpose open-weight agent work, especially in the EU.

In our editorial scoring, Gemini 3.8 Flash leads in 4 of five dimensions (output quality, agentic ability, speed and reliability), while Mistral Large 3 leads in 1. On price, Gemini 3.8 Flash runs about $1.65 per 1M tokens (blended) and is proprietary; Mistral Large 3 is about $0.80 and open-weight.

Where Gemini 3.8 Flash falls short
  • Price doubles to $1.50/$7.50 on January 1, 2027
  • Weak on long terminal tasks (19.1% on Terminal-Bench 4.0)
Full Gemini 3.8 Flash breakdown →
Where Mistral Large 3 falls short
  • Below the very top models
  • Less agent-community momentum than GLM/Qwen
Full Mistral Large 3 breakdown →

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