ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Qwen2.5 72B Instruct vs Claude Sonnet 3.5 v2 vs Mistral Large 2.1

Claude Sonnet 3.5 v2 comes out ahead, 44 to 40 and 38 on our weighted score, though Qwen2.5 72B Instruct is 2.4× cheaper per token.

  1. Alibaba (Qwen)

    Qwen2.5 72B Instruct

    Released Sep 19, 2024

    40/100
    • ECI129.0
    • Price$1.40 / $5.60
    • Context131K
  2. Our pick

    Anthropic

    Claude Sonnet 3.5 v2

    Released Oct 22, 2024

    44/100
    • ECI133.5
    • Price$3.00 / $15.00
    • Context200K
  3. Mistral AI

    Mistral Large 2.1

    Released Nov 18, 2024

    38/100
    • ECI128.5
    • Price$2.00 / $6.00
    • Context131K
01 — Verdict

Claude Sonnet 3.5 v2 is our pick

Claude Sonnet 3.5 v2 is the better all-round choice, scoring 44/100 against Qwen2.5 72B Instruct (40) and Mistral Large 2.1 (38). It leads on capability, inputs & features and context window. Qwen2.5 72B Instruct wins on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityClaude Sonnet 3.5 v2Capabilities Index (ECI): Claude Sonnet 3.5 v2 133.5 · Qwen2.5 72B Instruct 129.0 · Mistral Large 2.1 128.5
  • Lowest priceQwen2.5 72B InstructQwen2.5 72B Instruct $2.45 · Mistral Large 2.1 $3.00 · Claude Sonnet 3.5 v2 $6.00 per 1M tokens (3:1 blend)
  • Longest contextClaude Sonnet 3.5 v2Claude Sonnet 3.5 v2 200,000 · Qwen2.5 72B Instruct 131,072 · Mistral Large 2.1 131,072 tokens
  • Widest inputsClaude Sonnet 3.5 v2Qwen2.5 72B Instruct: Text · Claude Sonnet 3.5 v2: Text, Images, PDFs · Mistral Large 2.1: Text
  • Self-hostingQwen2.5 72B Instruct and Mistral Large 2.1Publishes downloadable weights
How the score is built
MeasureWeightQwen2.5 72B InstructClaude Sonnet 3.5 v2Mistral Large 2.1
CapabilityCapabilities Index (ECI)50%525751
Price25%311327
Inputs & features15%256025
Context window10%243224
Overall100%40/10044/10038/100
02 — Side by side

Every spec in one table

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

Qwen2.5 72B Instruct vs Claude Sonnet 3.5 v2 vs Mistral Large 2.1 specifications side by side
SpecificationQwen2.5 72B InstructAlibaba (Qwen)Claude Sonnet 3.5 v2AnthropicMistral Large 2.1Mistral AI
Capability
Capabilities Index (ECI)129.0133.5 (best)128.5
ECI rank#128 of 148#119 of 148 (best)#130 of 148
GPQA DiamondGraduate-level science questions49.2%55.3% (best)51.3%
OTIS Mock AIME 2024–2025Competition mathematics8.1%8.5% (best)7.8%
Price per million tokens
Input$1.40 (best)$3.00$2.00
Output$5.60 (best)$15.00$6.00
Cached input———
Blended (3:1)$2.45 (best)$6.00$3.00
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Alibaba APIMedian of 1 providersOfficial Mistral API
Limits
Context window131,072 tokens200,000 tokens (best)131,072 tokens
Max output8,192 tokens8,192 tokens16,384 tokens (best)
Inputs and features
TextYesYesYes
ImagesNoYesNo
PDFsNoYesNo
AudioNoNoNo
VideoNoNoNo
ReasoningNoNoNo
Tool callingYesYesYes
Structured outputNoNoNo
Availability
WeightsOpenProprietaryOpen
API model IDqwen2-5-72b-instruct—mistral-large-2411
API providers112 (best)
ReleasedSep 19, 2024Oct 22, 2024Nov 18, 2024
Knowledge cutoffApr 2024Apr 30, 2024Nov 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.

  • Qwen2.5 72B Instruct$25.20
  • Claude Sonnet 3.5 v2$60.00
  • Mistral Large 2.1$32.00
04 — Questions

Which should you choose?

Which is better: Qwen2.5 72B Instruct, Claude Sonnet 3.5 v2 or Mistral Large 2.1?

Claude Sonnet 3.5 v2 is the better all-round choice, scoring 44/100 against Qwen2.5 72B Instruct (40) and Mistral Large 2.1 (38). It leads on capability, inputs & features and context window. Qwen2.5 72B Instruct wins on price. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Qwen2.5 72B Instruct, Claude Sonnet 3.5 v2 or Mistral Large 2.1?

Qwen2.5 72B Instruct is cheaper at $1.40 input / $5.60 output per million tokens (official Alibaba API price). Mistral Large 2.1 costs $2.00 input / $6.00 output per million tokens (official Mistral API price); Claude Sonnet 3.5 v2 costs $3.00 input / $15.00 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $2.45 per million tokens for Qwen2.5 72B Instruct versus $3.00 for Mistral Large 2.1 (1.2× as much) and $6.00 for Claude Sonnet 3.5 v2 (2.4× as much).

Which scores higher on benchmarks?

Claude Sonnet 3.5 v2 scores higher on the Capabilities Index (ECI): Claude Sonnet 3.5 v2 133.5 (#119 of 148), Qwen2.5 72B Instruct 129.0 (#128 of 148) and Mistral Large 2.1 128.5 (#130 of 148). The confidence ranges of the top two overlap (129.2–137.5 vs 123.8–130.7), so treat the gap as small. On individual benchmarks: GPQA Diamond — Claude Sonnet 3.5 v2 55.3%, Mistral Large 2.1 51.3%, Qwen2.5 72B Instruct 49.2%; OTIS Mock AIME 2024–2025 — Claude Sonnet 3.5 v2 8.5%, Qwen2.5 72B Instruct 8.1%, Mistral Large 2.1 7.8%.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen2.5 72B Instruct, Claude Sonnet 3.5 v2 and Mistral Large 2.1 yet, so there is no like-for-like coding score. On overall capability, Claude Sonnet 3.5 v2 leads, which tends to carry over to coding, but test on your own codebase. All three support tool calling for agent workflows.

Which has the bigger context window?

Claude Sonnet 3.5 v2 has the largest context window at 200,000 tokens, against 131,072 for Qwen2.5 72B Instruct and 131,072 for Mistral Large 2.1. Maximum output per response: Qwen2.5 72B Instruct up to 8,192, Claude Sonnet 3.5 v2 up to 8,192, Mistral Large 2.1 up to 16,384 tokens.

Which can read images, PDFs, audio or video?

Qwen2.5 72B Instruct accepts text; Claude Sonnet 3.5 v2 accepts text, images and PDFs; Mistral Large 2.1 accepts text. Claude Sonnet 3.5 v2 handles the widest range of inputs.

Are any of these open source?

Qwen2.5 72B Instruct and Mistral Large 2.1 publishes its weights and can be self-hosted; Claude Sonnet 3.5 v2 is proprietary.

Which is newer?

Mistral Large 2.1 is the newest, released Nov 18, 2024. Claude Sonnet 3.5 v2 came out Oct 22, 2024; Qwen2.5 72B Instruct came out Sep 19, 2024. Knowledge cutoff: Qwen2.5 72B Instruct Apr 2024, Claude Sonnet 3.5 v2 Apr 30, 2024, Mistral Large 2.1 Nov 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.