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Gemini 3.5 Flash vs Codestral (2508)

At a glance

Google's high-speed thinking model for agentic workflows, chat, and coding.

861.0M ctx$1.50/$9.00 per M#11/92

Mistral's dedicated code model — August 2025 update.

256K ctx$0.30/$0.90 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI86.2
Reasoning & Knowledge
Graduate Science92.8%Factual Recall68.4%
Math
Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%
Agentic
Novel Reasoning72.1%
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper87%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—
Specs
1.0M
Context
66K
Max output
May 2026
Released
256K
Context
16K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.50/M tokens
Output$9.00/M tokens
Reasoning$9.00/M tokens
Cache read$0.15/M tokens
Cache write$0.08/M tokens
Image input$1.50/M tokens
Audio input$3.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input80%$0.30/M tokens
Output90%$0.90/M tokens
Cache read80%$0.03/M tokens
Chat with Gemini 3.5 FlashGo to model
Chat with Codestral (2508)Go to model
Frequently Asked Questions: Gemini 3.5 Flash vs Codestral (2508)▼

Which is better, Gemini 3.5 Flash or Codestral (2508)?

▼

Both Gemini 3.5 Flash and Codestral (2508) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Gemini 3.5 Flash or Codestral (2508)?

▼

Codestral (2508) has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. Codestral (2508): $0.30 input / $0.90 output.

Which has a larger context window, Gemini 3.5 Flash or Codestral (2508)?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs Codestral (2508) at 256K tokens.

Do both Gemini 3.5 Flash and Codestral (2508) support vision?

▼

Gemini 3.5 Flash supports vision/image input, but Codestral (2508) does not.

What are the key differences between Gemini 3.5 Flash and Codestral (2508)?

▼

Key differences: Codestral (2508) is significantly cheaper; only Gemini 3.5 Flash supports vision input; only Gemini 3.5 Flash offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Gemini 3.5 Flash and Codestral (2508) for free on idapt.app to see which performs better for your specific needs.

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