ZMIME
Comparison · 3 models · Updated Nov 2, 2026

Qwen Plus vs GLM-4.5-Air vs Codestral

Qwen Plus comes out ahead, 54 to 49 and 48 on our weighted score, though GLM-4.5-Air is 29% cheaper per token.

  1. Our pick

    Alibaba (Qwen)

    Qwen Plus

    Released Jan 25, 2024

    54/100
    • ECI—
    • Price$0.40 / $1.20
    • Context1M
  2. Z.ai (Zhipu)

    GLM-4.5-Air

    Released Jul 28, 2025

    48/100
    • ECI—
    • Price$0.20 / $1.10
    • Context131K
  3. Mistral AI

    Codestral

    Released May 29, 2024

    49/100
    • ECI—
    • Price$0.30 / $0.90
    • Context256K
01 — Verdict

Qwen Plus is our pick

Qwen Plus is the better all-round choice, scoring 54/100 against Codestral (49) and GLM-4.5-Air (48). It leads on inputs & features and context window. 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 priceGLM-4.5-AirGLM-4.5-Air $0.425 · Codestral $0.45 · Qwen Plus $0.60 per 1M tokens (3:1 blend)
  • Longest contextQwen PlusQwen Plus 1,000,000 · Codestral 256,000 · GLM-4.5-Air 131,072 tokens
  • Widest inputsSame inputsQwen Plus: Text · GLM-4.5-Air: Text · Codestral: Text
  • Self-hostingGLM-4.5-Air and CodestralPublishes downloadable weights
How the score is built
MeasureWeightQwen PlusGLM-4.5-AirCodestral
Price50%586564
Inputs & features30%453535
Context window20%602536
Overall100%54/10048/10049/100

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.

Qwen Plus vs GLM-4.5-Air vs Codestral specifications side by side
SpecificationQwen PlusAlibaba (Qwen)GLM-4.5-AirZ.ai (Zhipu)CodestralMistral AI
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.40$0.20 (best)$0.30
Output$1.20$1.10$0.90 (best)
Cached input$0.08$0.03 (best)$0.03 (best)
Blended (3:1)$0.60$0.425 (best)$0.45
Long-context rateOver 256K: $1.20 / $3.60Same rateSame rate
Price sourceOfficial Alibaba APIOfficial Z.AI APIOfficial Mistral API
Limits
Context window1,000,000 tokens (best)131,072 tokens256,000 tokens
Max output32,768 tokens98,304 tokens (best)4,096 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYesYesNo
Tool callingYesYesYes
Structured outputYesNoYes
Availability
WeightsProprietaryOpenOpen
API model IDqwen-plusglm-4.5-aircodestral-latest
API providers1019 (best)4
ReleasedJan 25, 2024Jul 28, 2025May 29, 2024
Knowledge cutoffApr 2024Apr 2025Oct 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.

  • Qwen Plus$6.40
  • GLM-4.5-Air$4.20
  • Codestral$4.80
04 — Questions

Which should you choose?

Which is better: Qwen Plus, GLM-4.5-Air or Codestral?

Qwen Plus is the better all-round choice, scoring 54/100 against Codestral (49) and GLM-4.5-Air (48). It leads on inputs & features and context window. 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, Qwen Plus, GLM-4.5-Air or Codestral?

GLM-4.5-Air is cheaper at $0.20 input / $1.10 output per million tokens (official Z.AI API price). Codestral costs $0.30 input / $0.90 output per million tokens (official Mistral API price); Qwen Plus costs $0.40 input / $1.20 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $0.425 per million tokens for GLM-4.5-Air versus $0.45 for Codestral (1.1× as much) and $0.60 for Qwen Plus (1.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Qwen Plus has not been scored yet, GLM-4.5-Air has not been scored yet and Codestral has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen Plus, GLM-4.5-Air and Codestral 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?

Qwen Plus has the largest context window at 1,000,000 tokens, against 256,000 for Codestral and 131,072 for GLM-4.5-Air. Maximum output per response: Qwen Plus up to 32,768, GLM-4.5-Air up to 98,304, Codestral up to 4,096 tokens.

Which can read images, PDFs, audio or video?

Qwen Plus accepts text; GLM-4.5-Air accepts text; Codestral accepts text. They handle the same number of input types.

Are any of these open source?

GLM-4.5-Air and Codestral publishes its weights and can be self-hosted; Qwen Plus is proprietary.

Which is newer?

GLM-4.5-Air is the newest, released Jul 28, 2025. Codestral came out May 29, 2024; Qwen Plus came out Jan 25, 2024. Knowledge cutoff: Qwen Plus Apr 2024, GLM-4.5-Air Apr 2025, Codestral Oct 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 Nov 2, 2026.