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Comparison · 3 models · Updated Oct 4, 2026

Qwen3.5 27B vs Mistral Large 3 vs Seed 2.0 Code

Qwen3.5 27B comes out ahead, 61 to 57 and 50 on our weighted score, though Mistral Large 3 is 9% cheaper per token.

  1. Our pick

    Alibaba (Qwen)

    Qwen3.5 27B

    Released Feb 23, 2026

    61/100
    • ECI—
    • Price$0.30 / $2.40
    • Context262K
  2. Mistral AI

    Mistral Large 3

    Released Dec 2, 2025

    50/100
    • ECI—
    • Price$0.50 / $1.50
    • Context262K
  3. ByteDance Seed

    Seed 2.0 Code

    Released Feb 14, 2026

    57/100
    • ECI—
    • Price$0.475 / $2.37
    • Context262K
01 — Verdict

Qwen3.5 27B is our pick

Qwen3.5 27B is the better all-round choice, scoring 61/100 against Seed 2.0 Code (57) and Mistral Large 3 (50). It leads on inputs & features. Mistral Large 3 wins on price. 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 priceMistral Large 3Mistral Large 3 $0.75 · Qwen3.5 27B $0.825 · Seed 2.0 Code $0.95 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameQwen3.5 27B 262,144 · Mistral Large 3 262,144 · Seed 2.0 Code 262,144 tokens
  • Widest inputsQwen3.5 27BQwen3.5 27B: Text, Images, Audio, Video · Mistral Large 3: Text, Images · Seed 2.0 Code: Text, Images, Video
  • Self-hostingQwen3.5 27B and Mistral Large 3Publishes downloadable weights
How the score is built
MeasureWeightQwen3.5 27BMistral Large 3Seed 2.0 Code
Price50%545651
Inputs & features30%905080
Context window20%373737
Overall100%61/10050/10057/100

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.

Qwen3.5 27B vs Mistral Large 3 vs Seed 2.0 Code specifications side by side
SpecificationQwen3.5 27BAlibaba (Qwen)Mistral Large 3Mistral AISeed 2.0 CodeByteDance Seed
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.30 (best)$0.50$0.475
Output$2.40$1.50 (best)$2.37
Cached input—$0.05 (best)$0.095
Blended (3:1)$0.825$0.75 (best)$0.95
Long-context rateSame rateSame rateOver 32K: $0.712 / $3.56
Price sourceOfficial Alibaba APIOfficial Mistral APIOfficial Volcengine Ark API
Limits
Context window262,144 tokens262,144 tokens262,144 tokens
Max output65,536 tokens262,144 tokens (best)131,072 tokens
Inputs and features
TextYesYesYes
ImagesYesYesYes
PDFsNoNoNo
AudioYesNoNo
VideoYesNoYes
ReasoningYesNoYesminimal · low · medium · high · xhigh · max
Tool callingYesYesYes
Structured outputYesNoYes
Availability
WeightsOpenOpenProprietary
API model IDqwen3.5-27bmistral-large-2512doubao-seed-2-0-code-preview-260215
API providers16 (best)1310
ReleasedFeb 23, 2026Dec 2, 2025Feb 14, 2026
Knowledge cutoff—Nov 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.

  • Qwen3.5 27B$7.80
  • Mistral Large 3$8.00
  • Seed 2.0 Code$9.50
04 — Questions

Which should you choose?

Which is better: Qwen3.5 27B, Mistral Large 3 or Seed 2.0 Code?

Qwen3.5 27B is the better all-round choice, scoring 61/100 against Seed 2.0 Code (57) and Mistral Large 3 (50). It leads on inputs & features. Mistral Large 3 wins on price. 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, Qwen3.5 27B, Mistral Large 3 or Seed 2.0 Code?

Mistral Large 3 is cheaper at $0.50 input / $1.50 output per million tokens (official Mistral API price). Qwen3.5 27B costs $0.30 input / $2.40 output per million tokens (official Alibaba API price); Seed 2.0 Code costs $0.475 input / $2.37 output per million tokens (official Volcengine Ark API price). At a typical mix of three input tokens to one output token, that is $0.75 per million tokens for Mistral Large 3 versus $0.825 for Qwen3.5 27B (1.1× as much) and $0.95 for Seed 2.0 Code (1.3× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Qwen3.5 27B has not been scored yet, Mistral Large 3 has not been scored yet and Seed 2.0 Code has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen3.5 27B, Mistral Large 3 and Seed 2.0 Code yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Qwen3.5 27B, Mistral Large 3 and Seed 2.0 Code share the same 262,144-token context window. Maximum output per response: Qwen3.5 27B up to 65,536, Mistral Large 3 up to 262,144, Seed 2.0 Code up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Qwen3.5 27B accepts text, images, audio and video; Mistral Large 3 accepts text and images; Seed 2.0 Code accepts text, images and video. Qwen3.5 27B handles the widest range of inputs.

Are any of these open source?

Qwen3.5 27B and Mistral Large 3 publishes its weights and can be self-hosted; Seed 2.0 Code is proprietary.

Which is newer?

Qwen3.5 27B is the newest, released Feb 23, 2026. Seed 2.0 Code came out Feb 14, 2026; Mistral Large 3 came out Dec 2, 2025. Knowledge cutoff: Mistral Large 3 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.