ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Claude Opus 4.1 vs Magistral Medium

Too close to call on our weighted score (Magistral Medium 30, Claude Opus 4.1 27). The right pick depends on what you value most.

  1. Anthropic

    Claude Opus 4.1

    Released Aug 5, 2025

    27/100
    • ECI144.1
    • Price$15.00 / $75.00
    • Context200K
    Full specs Remove Claude Opus 4.1

  2. Mistral AI

    Magistral Medium

    Released Mar 17, 2025

    30/100
    • ECI—
    • Price$2.00 / $5.00
    • Context128K
    Full specs Remove Magistral Medium

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Too close to call

It is close. Our weighted score puts them within 2 points (Magistral Medium 30/100, Claude Opus 4.1 27/100), so choose by what matters most for your work: Magistral Medium on price and Claude Opus 4.1 for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceMagistral MediumMagistral Medium $2.75 · Claude Opus 4.1 $30.00 per 1M tokens (3:1 blend)
  • Longest contextClaude Opus 4.1Claude Opus 4.1 200,000 · Magistral Medium 128,000 tokens
  • Widest inputsClaude Opus 4.1Claude Opus 4.1: Text, Images, PDFs · Magistral Medium: Text
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightClaude Opus 4.1Magistral Medium
Price50%029
Inputs & features30%7035
Context window20%3224
Overall100%27/10030/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

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

Claude Opus 4.1 vs Magistral Medium specifications side by side
SpecificationClaude Opus 4.1AnthropicMagistral MediumMistral AI
Capability
Capabilities Index (ECI)144.1—
ECI rank#81 of 148—
GPQA DiamondGraduate-level science questions77.3%—
FrontierMath Tiers 1–3Research-level mathematics12.6%—
OTIS Mock AIME 2024–2025Competition mathematics68.9%—
SWE-bench VerifiedFixing real GitHub issues73.4%—
Price per million tokens
Input$15.00$2.00 (best)
Output$75.00$5.00 (best)
Cached input——
Blended (3:1)$30.00$2.75 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 14 providersOfficial Mistral API
Limits
Context window200,000 tokens (best)128,000 tokens
Max output32,000 tokens (best)16,384 tokens
Inputs and features
TextYesYes
ImagesYesNo
PDFsYesNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsProprietaryProprietary
API model ID—magistral-medium-latest
API providers14 (best)4
ReleasedAug 5, 2025Mar 17, 2025
Knowledge cutoffMar 31, 2025Jun 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.

  • Claude Opus 4.1$300.00
  • Magistral Medium$30.00
04 — Questions

Which should you choose?

Which is better: Claude Opus 4.1 or Magistral Medium?

It is close. Our weighted score puts them within 2 points (Magistral Medium 30/100, Claude Opus 4.1 27/100), so choose by what matters most for your work: Magistral Medium on price and Claude Opus 4.1 for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Claude Opus 4.1 or Magistral Medium?

Magistral Medium is cheaper at $2.00 input / $5.00 output per million tokens (official Mistral API price). Claude Opus 4.1 costs $15.00 input / $75.00 output per million tokens (median across 14 API providers). At a typical mix of three input tokens to one output token, that is $2.75 per million tokens for Magistral Medium versus $30.00 for Claude Opus 4.1 (11× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Claude Opus 4.1 has an ECI of 144.1 and Magistral Medium has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Magistral Medium yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Claude Opus 4.1 has the largest context window at 200,000 tokens, against 128,000 for Magistral Medium. Maximum output per response: Claude Opus 4.1 up to 32,000, Magistral Medium up to 16,384 tokens.

Which can read images, PDFs, audio or video?

Claude Opus 4.1 accepts text, images and PDFs; Magistral Medium accepts text. Claude Opus 4.1 handles the widest range of inputs.

Are any of these open source?

No. Claude Opus 4.1 and Magistral Medium are proprietary and only available through APIs and apps.

Which is newer?

Claude Opus 4.1 is the newest, released Aug 5, 2025. Magistral Medium came out Mar 17, 2025. Knowledge cutoff: Claude Opus 4.1 Mar 31, 2025, Magistral Medium Jun 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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