Model Comparison

Devstral Medium vs Gemini 1.5 Flash 8BWhich is better in 2026?

Comparing Devstral Medium and Gemini 1.5 Flash 8B across benchmarks, pricing, and capabilities.

Verdict: Devstral Medium vs Gemini 1.5 Flash 8B — which is better?

Devstral Medium (by Mistral AI) and Gemini 1.5 Flash 8B (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Gemini 1.5 Flash 8B is roughly 6.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Flash 8B also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Devstral Medium if…

  • you want the most recent training data — it shipped Jul 2025

Choose Gemini 1.5 Flash 8B if…

  • cost matters — it's about 6.3x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Devstral Medium and Gemini 1.5 Flash 8Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash 8B costs less

For input processing, Devstral Medium ($0.40/1M tokens) is 5.7x more expensive than Gemini 1.5 Flash 8B ($0.07/1M tokens).

For output processing, Devstral Medium ($2.00/1M tokens) is 6.7x more expensive than Gemini 1.5 Flash 8B ($0.30/1M tokens).

In conclusion, Devstral Medium is more expensive than Gemini 1.5 Flash 8B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Jun 27 2026 • llm-stats.com
Mistral AI
Devstral Medium
Input tokens$0.40
Output tokens$2.00
Best providerMistral
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B accepts 1,048,576 input tokens compared to Devstral Medium's 128,000 tokens. Devstral Medium can generate longer responses up to 128,000 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Mistral AI
Devstral Medium
Input128,000 tokens
Output128,000 tokens
Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash 8B supports multimodal inputs, whereas Devstral Medium does not.

Gemini 1.5 Flash 8B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Devstral Medium

Text
Images
Audio
Video

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Devstral Medium

Proprietary

Closed source

Gemini 1.5 Flash 8B

Proprietary

Closed source

Release Timeline

When each model was launched

Devstral Medium was released on 2025-07-10, while Gemini 1.5 Flash 8B was released on 2024-03-15.

Devstral Medium is 16 months newer than Gemini 1.5 Flash 8B.

Devstral Medium

Jul 10, 2025

11 months ago

1.3yr newer
Gemini 1.5 Flash 8B

Mar 15, 2024

2.3 years ago

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while Devstral Medium's cutoff date is not specified.

We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without Devstral Medium's cutoff date.

Devstral Medium

—

Gemini 1.5 Flash 8B

Oct 2024

Provider Availability

Devstral Medium is available from Mistral AI. Gemini 1.5 Flash 8B is available from Google.

Devstral Medium

mistral logo
Mistral
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Mistral AI

No standout differentiators in the data we have for this pair.

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Mistral AIDevstral Medium
GoogleGemini 1.5 Flash 8B
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Devstral Medium and Gemini 1.5 Flash 8B side-by-side, then vote on the output you prefer.

Devstral Medium
✓ Preferred
Gemini 1.5 Flash 8B
Open in Playground
AI Model Comparison Table
Feature
Mistral AI
Devstral Medium
Google
Gemini 1.5 Flash 8B

FAQ

Common questions about Devstral Medium vs Gemini 1.5 Flash 8B.

Which is better, Devstral Medium or Gemini 1.5 Flash 8B?

Devstral Medium (Mistral AI) and Gemini 1.5 Flash 8B (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Devstral Medium compare to Gemini 1.5 Flash 8B in benchmarks?

Devstral Medium scores SWE-Bench Verified: 61.6%. Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%.

Is Devstral Medium cheaper than Gemini 1.5 Flash 8B?

Gemini 1.5 Flash 8B is 5.7x cheaper for input tokens. Devstral Medium costs $0.40/M input and $2.00/M output via mistral. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google.

What are the context window sizes for Devstral Medium and Gemini 1.5 Flash 8B?

Devstral Medium supports 128K tokens and Gemini 1.5 Flash 8B supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Devstral Medium and Gemini 1.5 Flash 8B?

Key differences include context window (128K vs 1.0M), input pricing ($0.40 vs $0.07/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Medium and Gemini 1.5 Flash 8B?

Devstral Medium is developed by Mistral AI and Gemini 1.5 Flash 8B is developed by Google.

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