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Head-to-head comparison

GPT-5.1-Codex-Mini vs Qwen3 235B A22B

GPT-5.1-Codex-Mini (OpenAI) and Qwen3 235B A22B (Qwen) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, GPT-5.1-Codex-Mini holds the stronger ModelCap Index position (#64 vs #65); Qwen3 235B A22B is cheaper per output token ($1.82/1M vs $2.00/1M); GPT-5.1-Codex-Mini offers the longer context window (400K vs 131K tokens); and Qwen3 235B A22B ships open weights.

Which should you choose?

Choose GPT-5.1-Codex-Mini if…

  • you want the stronger overall ModelCap Index position — #64 against #65 (41.5 vs 40.0 points).
  • your workload is prompt-heavy — input tokens cost $0.25/1M against $0.455/1M.
  • you need the longer context window — 400K tokens against 131K.
  • you want the more recently listed model — GPT-5.1-Codex-Mini was listed 13 November 2025, Qwen3 235B A22B 28 April 2025.

Choose Qwen3 235B A22B if…

  • API cost matters — $1.82/1M output tokens against $2.00/1M.
  • you want to self-host: Qwen3 235B A22B ships open weights while GPT-5.1-Codex-Mini is api only.

GPT-5.1-Codex-Mini vs Qwen3 235B A22B: specs, pricing and context

Specification comparison of GPT-5.1-Codex-Mini and Qwen3 235B A22B
FieldGPT-5.1-Codex-MiniOpenAIQwen3 235B A22BQwen
ModelCap Index position#64#65
Index score41.540.0
EvidenceMeasuredMeasured
Input price / 1M tokens$0.25$0.455
Output price / 1M tokens$2.00$1.82
Context window400K tokens131K tokens
Max output tokens128K8K
API providers listed11
Weight accessAPI onlyOpen weights
Input modalitiesImage, TextText
First listed13 November 202528 April 2025
PublisherOpenAIQwen

Evidence: 1 public benchmark observation across 1 board · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: GPT-5.1-Codex-Mini vs Qwen3 235B A22B

Public benchmark boards where GPT-5.1-Codex-Mini or Qwen3 235B A22B has a published result
BoardGPT-5.1-Codex-MiniQwen3 235B A22BLeads
Arena codingArena (LMArena)—14451438–1453No thinkingOnly one result
Artificial Analysis Intelligence IndexArtificial Analysis31.3intelligence-index—Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

GPT-5.1-Codex-Mini vs Qwen3 235B A22B: common questions

Is GPT-5.1-Codex-Mini better than Qwen3 235B A22B?

GPT-5.1-Codex-Mini ranks higher on the ModelCap Index as of 17 August 2026: #64 against #65. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is GPT-5.1-Codex-Mini cheaper than Qwen3 235B A22B?

Qwen3 235B A22B is cheaper on output tokens: $1.82/1M against $2.00/1M. Input tokens are $0.25/1M for GPT-5.1-Codex-Mini and $0.455/1M for Qwen3 235B A22B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, GPT-5.1-Codex-Mini or Qwen3 235B A22B?

GPT-5.1-Codex-Mini has the larger context window: 400K tokens against 131K.

Which is better for coding, GPT-5.1-Codex-Mini or Qwen3 235B A22B?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are GPT-5.1-Codex-Mini and Qwen3 235B A22B open-weight models?

GPT-5.1-Codex-Mini: API only. Qwen3 235B A22B: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run GPT-5.1-Codex-Mini and Qwen3 235B A22B?

ModelCap currently lists 1 API provider for GPT-5.1-Codex-Mini and 1 for Qwen3 235B A22B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this GPT-5.1-Codex-Mini vs Qwen3 235B A22B comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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