ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Claude Haiku 3 vs Mistral Small 3.1 24B

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

  1. Anthropic

    Claude Haiku 3

    Released Mar 13, 2024

    47/100
    • ECI118.4
    • Price$0.25 / $1.25
    • Context200K
    Full specs Remove Claude Haiku 3
  2. 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

  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 3Claude Haiku 3: Text, Images, PDFs · Mistral Small 3.1 24B: Text, Images
  • Self-hostingMistral Small 3.1 24BPublishes downloadable weights
How the score is built
MeasureWeightClaude Haiku 3Mistral Small 3.1 24B
CapabilityCapabilities Index (ECI)50%3850
Price25%6476
Inputs & features15%6060
Context window10%3224
Overall100%47/10055/100
02 — Side by side

Every spec in one table

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

Claude Haiku 3 vs Mistral Small 3.1 24B specifications side by side
SpecificationClaude Haiku 3AnthropicMistral Small 3.1 24BMistral AI
Capability
Capabilities Index (ECI)118.4127.5 (best)
ECI rank#143 of 148#132 of 148 (best)
GPQA DiamondGraduate-level science questions36.3%47.5% (best)
OTIS Mock AIME 2024–2025Competition mathematics1.8%5.8% (best)
Price per million tokens
Input$0.25$0.229 (best)
Output$1.25$0.436 (best)
Cached input——
Blended (3:1)$0.50$0.281 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 2 providersMedian of 2 providers
Limits
Context window200,000 tokens (best)128,000 tokens
Max output4,096 tokens16,384 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsYesNo
AudioNoNo
VideoNoNo
ReasoningNoNo
Tool callingYesYes
Structured outputNoYes
Availability
WeightsProprietaryOpen
API model ID——
API providers22
ReleasedMar 13, 2024Mar 17, 2025
Knowledge cutoffAug 31, 2023Jun 2024
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.

  • Claude Haiku 3$5.00
  • Mistral Small 3.1 24B$3.16
04 — Questions

Which should you choose?

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

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, Claude Haiku 3 or Mistral Small 3.1 24B?

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 Claude Haiku 3 and Mistral Small 3.1 24B 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: Claude Haiku 3 up to 4,096, Mistral Small 3.1 24B up to 16,384 tokens.

Which can read images, PDFs, audio or video?

Claude Haiku 3 accepts text, images and PDFs; Mistral Small 3.1 24B accepts text and images. 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: Claude Haiku 3 Aug 31, 2023, Mistral Small 3.1 24B Jun 2024.

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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