ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Mistral Small 3.1 24B vs Claude Haiku 3

Mistral Small 3.1 24B comes out ahead, 55 to 47 on our weighted score, and it is the cheaper option too.

  1. Our pick

    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. Anthropic

    Claude Haiku 3

    Released Mar 13, 2024

    47/100
    • ECI118.4
    • Price$0.25 / $1.25
    • Context200K
    Full specs Remove Claude Haiku 3

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Mistral Small 3.1 24B is our pick

Mistral Small 3.1 24B is the better all-round choice, scoring 55/100 against Claude Haiku 3 (47). It leads on capability and price. Claude Haiku 3 wins on context window. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityMistral Small 3.1 24BCapabilities Index (ECI): Mistral Small 3.1 24B 127.5 · Claude Haiku 3 118.4
  • Lowest priceMistral Small 3.1 24BMistral Small 3.1 24B $0.281 · Claude Haiku 3 $0.50 per 1M tokens (3:1 blend)
  • Longest contextClaude Haiku 3Claude Haiku 3 200,000 · Mistral Small 3.1 24B 128,000 tokens
  • Widest inputsClaude Haiku 3Mistral Small 3.1 24B: Text, Images · Claude Haiku 3: Text, Images, PDFs
  • Self-hostingMistral Small 3.1 24BPublishes downloadable weights
How the score is built
MeasureWeightMistral Small 3.1 24BClaude Haiku 3
CapabilityCapabilities Index (ECI)50%5038
Price25%7664
Inputs & features15%6060
Context window10%2432
Overall100%55/10047/100
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 Claude Haiku 3 specifications side by side
SpecificationMistral Small 3.1 24BMistral AIClaude Haiku 3Anthropic
Capability
Capabilities Index (ECI)127.5 (best)118.4
ECI rank#132 of 148 (best)#143 of 148
GPQA DiamondGraduate-level science questions47.5% (best)36.3%
OTIS Mock AIME 2024–2025Competition mathematics5.8% (best)1.8%
Price per million tokens
Input$0.229 (best)$0.25
Output$0.436 (best)$1.25
Cached input——
Blended (3:1)$0.281 (best)$0.50
Long-context rateSame rateSame rate
Price sourceMedian of 2 providersMedian of 2 providers
Limits
Context window128,000 tokens200,000 tokens (best)
Max output16,384 tokens (best)4,096 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioNoNo
VideoNoNo
ReasoningNoNo
Tool callingYesYes
Structured outputYesNo
Availability
WeightsOpenProprietary
API model ID——
API providers22
ReleasedMar 17, 2025Mar 13, 2024
Knowledge cutoffJun 2024Aug 31, 2023
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
  • Claude Haiku 3$5.00
04 — Questions

Which should you choose?

Which is better: Mistral Small 3.1 24B or Claude Haiku 3?

Mistral Small 3.1 24B is the better all-round choice, scoring 55/100 against Claude Haiku 3 (47). It leads on capability and price. Claude Haiku 3 wins on context window. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Mistral Small 3.1 24B or Claude Haiku 3?

Mistral Small 3.1 24B is cheaper at $0.229 input / $0.436 output per million tokens (median across 2 API providers). Claude Haiku 3 costs $0.25 input / $1.25 output per million tokens (median across 2 API providers). At a typical mix of three input tokens to one output token, that is $0.281 per million tokens for Mistral Small 3.1 24B versus $0.50 for Claude Haiku 3 (1.8× as much).

Which scores higher on benchmarks?

Mistral Small 3.1 24B scores higher on the Capabilities Index (ECI): Mistral Small 3.1 24B 127.5 (#132 of 148) and Claude Haiku 3 118.4 (#143 of 148). Their confidence ranges do not overlap (122.6–129.4 vs 110.5–121.2), so the gap is a real one. On individual benchmarks: GPQA Diamond — Mistral Small 3.1 24B 47.5%, Claude Haiku 3 36.3%; OTIS Mock AIME 2024–2025 — Mistral Small 3.1 24B 5.8%, Claude Haiku 3 1.8%.

Which is better for coding?

There are no published SWE-bench Verified results for Mistral Small 3.1 24B and Claude Haiku 3 yet, so there is no like-for-like coding score. On overall capability, Mistral Small 3.1 24B 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?

Claude Haiku 3 has the largest context window at 200,000 tokens, against 128,000 for Mistral Small 3.1 24B. Maximum output per response: Mistral Small 3.1 24B up to 16,384, Claude Haiku 3 up to 4,096 tokens.

Which can read images, PDFs, audio or video?

Mistral Small 3.1 24B accepts text and images; Claude Haiku 3 accepts text, images and PDFs. Claude Haiku 3 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; Claude Haiku 3 is proprietary.

Which is newer?

Mistral Small 3.1 24B is the newest, released Mar 17, 2025. Claude Haiku 3 came out Mar 13, 2024. Knowledge cutoff: Mistral Small 3.1 24B Jun 2024, Claude Haiku 3 Aug 31, 2023.

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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