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GPT-5.1-Codex-Max vs Qwen2.5 7B Instruct

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5.1-Codex-Max and Qwen2.5 7B Instruct.

OpenAI

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...

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Alibaba

Qwen2.5 7B Instruct

Qwen2.5 7B is the latest series of Qwen large language models. Qwen2.5 brings the following improvements upon Qwen2: - Significantly more knowledge and has greatly improved capabilities in coding and...

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Technical Specifications

SpecificationGPT-5.1-Codex-MaxQwen2.5 7B Instruct
ProviderOpenAIAlibaba
Context Window400,000 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-12-042024-10-16

API Pricing Comparison

Input Price per Million Tokens

GPT-5.1-Codex-Max

$1.25

Qwen2.5 7B Instruct

$0.04

Output Price per Million Tokens

GPT-5.1-Codex-Max

$10.00

Qwen2.5 7B Instruct

$0.10

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs7580.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct
HumanEvalPython coding & logic synthesis
N/Avs7800.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct
MATHComplex mathematical problem solving
N/Avs4250.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct
GPQAGraduate-level expert reasoning
N/Avs3200.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct
HellaSwagCommonsense reasoning and inference
N/Avs7950.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct
MT-BenchMulti-turn conversation flow quality
N/Avs820.0%
GPT-5.1-Codex-Max
Qwen2.5 7B Instruct

GPT-5.1-Codex-Max Quirks & Gotchas

No developer gotchas reported.

Qwen2.5 7B Instruct Quirks & Gotchas

No developer gotchas reported.