GPT-5.3-Codex-SparkvsQwen3.8-Max
GPT-5.3-Codex-Spark | Qwen3.8-Max | |
|---|---|---|
| Specifications | ||
Parameters | — | 2.4T |
Context window | 128k | 1M |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | — | 67.7% |
Research reproduction PaperBenchreproducing the results of an ML research paper end to end | — | 93% |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | — | 86.6% |
Professional tool use JobBenchTests the AI on professional workplace tasks that require using real work tools — the kind of multi-step jobs an office worker handles. Higher is better. | — | 53.4% |
Agentic computer use OSWorld-VerifiedCan the AI actually operate a computer — clicking, typing, and using real apps — to finish tasks on its own? Higher is better. | — | 86.1% |
Chart reasoning CharXiv ReasoningCan the AI read and reason about complex charts and figures, not just text? Higher is better. | — | 88.4% |
Visual reasoning BabyVisionTests core visual reasoning — seeing and understanding images the way even young children can, which AIs often find surprisingly hard. Higher is better. | — | 82% |
| Overview | ||
| Company | OpenAI | Qwen |
| Release date | Feb 12 2026 | Aug 3 2026 |
| Access | Proprietary | Proprietary |
Which is better: GPT-5.3-Codex-Spark or Qwen3.8-Max?
GPT-5.3-Codex-Spark and Qwen3.8-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.3-Codex-Spark shipped 172 days before Qwen3.8-Max, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (GPT-5.3-Codex-Spark) vs 1M (Qwen3.8-Max).
Direct benchmark comparisons are unavailable — GPT-5.3-Codex-Spark and Qwen3.8-Max don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-5.3-Codex-Spark was released by OpenAI on Feb 12 2026.
Qwen3.8-Max was released by Qwen on Aug 3 2026.
GPT-5.3-Codex-Spark has a 128k context window; Qwen3.8-Max has 1M.
Other comparisons
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