GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks. The model supports…
Model details →OpenAI: GPT-5 Codex vs Qwen: Qwen3.8 2.4T A95B
OpenAI: GPT-5 Codex wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Qwen3.8 2.4T A95B is an open-weight sparse mixture-of-experts model from Qwen and the open-weight variant of [Qwen3.8 Max](/qwen/qwen3.8-max), with 95 billion active parameters out of 2.4 trillion total. It is...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 Codex | Qwen: Qwen3.8 2.4T A95B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 262K | 🏆 OpenAI: GPT-5 Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $2.00 | 🏆 OpenAI: GPT-5 Codex |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $6.00 | 🏆 Qwen: Qwen3.8 2.4T A95B |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 OpenAI: GPT-5 Codex |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5 Codex better than Qwen: Qwen3.8 2.4T A95B?
OpenAI: GPT-5 Codex wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5 Codex and Qwen: Qwen3.8 2.4T A95B?
Input: $1.25 vs $2.00 per 1M tokens. Output: $10.00 vs $6.00 per 1M tokens.
What context windows do OpenAI: GPT-5 Codex and Qwen: Qwen3.8 2.4T A95B support?
OpenAI: GPT-5 Codex supports up to 400K tokens. Qwen: Qwen3.8 2.4T A95B supports up to 262K tokens.
Do both OpenAI: GPT-5 Codex and Qwen: Qwen3.8 2.4T A95B support tool calling?
OpenAI: GPT-5 Codex: yes. Qwen: Qwen3.8 2.4T A95B: yes.