ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Mistral Small 3.1 24B vs Gemini 2.5 Flash-Lite

Gemini 2.5 Flash-Lite comes out ahead, 71 to 55 on our weighted score, and it is the cheaper option too.

  1. Mistral AI

    Mistral Small 3.1 24B

    Released Mar 17, 2025

    55/100
    • ECI127.5
    • Price$0.229 / $0.436
    • Context128K
    Full specs Remove Mistral Small 3.1 24B
  2. Our pick

    Google

    Gemini 2.5 Flash-Lite

    Released Jun 17, 2025

    71/100
    • ECI133.9
    • Price$0.10 / $0.40
    • Context1.05M
    Full specs Remove Gemini 2.5 Flash-Lite

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemini 2.5 Flash-Lite is our pick

Gemini 2.5 Flash-Lite is the better all-round choice, scoring 71/100 against Mistral Small 3.1 24B (55). It leads on capability, price, inputs & features and context window. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityGemini 2.5 Flash-LiteCapabilities Index (ECI): Gemini 2.5 Flash-Lite 133.9 · Mistral Small 3.1 24B 127.5
  • Lowest priceGemini 2.5 Flash-LiteGemini 2.5 Flash-Lite $0.175 · Mistral Small 3.1 24B $0.281 per 1M tokens (3:1 blend)
  • Longest contextGemini 2.5 Flash-LiteGemini 2.5 Flash-Lite 1,048,576 · Mistral Small 3.1 24B 128,000 tokens
  • Widest inputsGemini 2.5 Flash-LiteMistral Small 3.1 24B: Text, Images · Gemini 2.5 Flash-Lite: Text, Images, PDFs, Audio, Video
  • Self-hostingMistral Small 3.1 24BPublishes downloadable weights
How the score is built
MeasureWeightMistral Small 3.1 24BGemini 2.5 Flash-Lite
CapabilityCapabilities Index (ECI)50%5058
Price25%7686
Inputs & features15%60100
Context window10%2461
Overall100%55/10071/100
02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Mistral Small 3.1 24B vs Gemini 2.5 Flash-Lite specifications side by side
SpecificationMistral Small 3.1 24BMistral AIGemini 2.5 Flash-LiteGoogle
Capability
Capabilities Index (ECI)127.5133.9 (best)
ECI rank#132 of 148#118 of 148 (best)
GPQA DiamondGraduate-level science questions47.5%—
OTIS Mock AIME 2024–2025Competition mathematics5.8%—
Price per million tokens
Input$0.229$0.10 (best)
Output$0.436$0.40 (best)
Cached input—$0.01
Blended (3:1)$0.281$0.175 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 2 providersOfficial Google API
Limits
Context window128,000 tokens1,048,576 tokens (best)
Max output16,384 tokens65,536 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioNoYes
VideoNoYes
ReasoningNoYes
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model ID—gemini-2.5-flash-lite
API providers220 (best)
ReleasedMar 17, 2025Jun 17, 2025
Knowledge cutoffJun 2024Jan 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Mistral Small 3.1 24B$3.16
  • Gemini 2.5 Flash-Lite$1.80
04 — Questions

Which should you choose?

Which is better: Mistral Small 3.1 24B or Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is the better all-round choice, scoring 71/100 against Mistral Small 3.1 24B (55). It leads on capability, price, inputs & features and context window. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Mistral Small 3.1 24B or Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is cheaper at $0.10 input / $0.40 output per million tokens (official Google API price). Mistral Small 3.1 24B costs $0.229 input / $0.436 output per million tokens (median across 2 API providers). At a typical mix of three input tokens to one output token, that is $0.175 per million tokens for Gemini 2.5 Flash-Lite versus $0.281 for Mistral Small 3.1 24B (1.6× as much).

Which scores higher on benchmarks?

Gemini 2.5 Flash-Lite scores higher on the Capabilities Index (ECI): Gemini 2.5 Flash-Lite 133.9 (#118 of 148) and Mistral Small 3.1 24B 127.5 (#132 of 148). Their confidence ranges do not overlap (129.8–136.3 vs 122.6–129.4), so the gap is a real one.

Which is better for coding?

There are no published SWE-bench Verified results for Mistral Small 3.1 24B and Gemini 2.5 Flash-Lite yet, so there is no like-for-like coding score. On overall capability, Gemini 2.5 Flash-Lite leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.

Which has the bigger context window?

Gemini 2.5 Flash-Lite has the largest context window at 1,048,576 tokens, against 128,000 for Mistral Small 3.1 24B. Maximum output per response: Mistral Small 3.1 24B up to 16,384, Gemini 2.5 Flash-Lite up to 65,536 tokens.

Which can read images, PDFs, audio or video?

Mistral Small 3.1 24B accepts text and images; Gemini 2.5 Flash-Lite accepts text, images, PDFs, audio and video. Gemini 2.5 Flash-Lite handles the widest range of inputs.

Are any of these open source?

Mistral Small 3.1 24B publishes its weights and can be self-hosted; Gemini 2.5 Flash-Lite is proprietary.

Which is newer?

Gemini 2.5 Flash-Lite is the newest, released Jun 17, 2025. Mistral Small 3.1 24B came out Mar 17, 2025. Knowledge cutoff: Mistral Small 3.1 24B Jun 2024, Gemini 2.5 Flash-Lite Jan 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.

05 — Keep comparing

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