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GPT-5.1 Codex Mini vs Qwen2.5-Coder 7B Instruct

Comparing GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct across benchmarks, pricing, and capabilities.

OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GPT-5.1 Codex Mini

  • you want the most recent training data — it shipped Nov 2025

Choose Qwen2.5-Coder 7B Instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5.1 Codex Mini
OpenAI
Qwen2.5-Coder 7B Instruct
Alibaba Cloud / Qwen Team
Benchmark wins
—
—
Input price
$0.25 / M
— / M
Output price
$2.00 / M
— / M
Context window
400,000
—
Released
Nov 2025
Sep 2024
License
Proprietary
Apache 2.0

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.1 Codex Mini specifies input context (400,000 tokens). Only GPT-5.1 Codex Mini specifies output context (128,000 tokens).

OpenAI
GPT-5.1 Codex Mini
Input400,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen2.5-Coder 7B Instruct
Input- tokens
Output- tokens
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.1 Codex Mini supports multimodal inputs, whereas Qwen2.5-Coder 7B Instruct does not.

GPT-5.1 Codex Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.1 Codex Mini

Text
Images
Audio
Video

Qwen2.5-Coder 7B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.1 Codex Mini is licensed under a proprietary license, while Qwen2.5-Coder 7B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-5.1 Codex Mini

Proprietary

Closed source

Qwen2.5-Coder 7B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.1 Codex Mini was released on 2025-11-12, while Qwen2.5-Coder 7B Instruct was released on 2024-09-19.

GPT-5.1 Codex Mini is 14 months newer than Qwen2.5-Coder 7B Instruct.

GPT-5.1 Codex Mini

Nov 12, 2025

9 months ago

1.1yr newer
Qwen2.5-Coder 7B Instruct

Sep 19, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct side-by-side, then vote on the output you prefer.

GPT-5.1 Codex Mini
✓ Preferred
Qwen2.5-Coder 7B Instruct
Open in Playground

FAQ

Common questions about GPT-5.1 Codex Mini vs Qwen2.5-Coder 7B Instruct.

Which is better, GPT-5.1 Codex Mini or Qwen2.5-Coder 7B Instruct?

GPT-5.1 Codex Mini (OpenAI) and Qwen2.5-Coder 7B Instruct (Alibaba Cloud / Qwen Team) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-5.1 Codex Mini compare to Qwen2.5-Coder 7B Instruct in benchmarks?

GPT-5.1 Codex Mini scores AIME 2025: 42.1%. Qwen2.5-Coder 7B Instruct scores HumanEval: 88.4%, GSM8k: 83.9%, MBPP: 83.5%, HellaSwag: 76.8%, Winogrande: 72.9%.

What are the context window sizes for GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct?

GPT-5.1 Codex Mini supports 400K tokens and Qwen2.5-Coder 7B Instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.1 Codex Mini and Qwen2.5-Coder 7B Instruct?

GPT-5.1 Codex Mini is developed by OpenAI and Qwen2.5-Coder 7B Instruct is developed by Alibaba Cloud / Qwen Team.

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