GPT-5.3 Codex vs Qwen3-235B-A22B-Thinking-2507: Specs & Benchmark Comparison

CharacteristicGPT-5.3 CodexQwen3-235B-A22B-Thinking-2507
CompanyOpenAIAlibaba
Release DateFebruary 5, 2026July 24, 2025
Parameters235B
MultimodalYesNo
Context (input)400K256K
Context (output)128K131K
Input Price / 1M$1.75$0.30
Output Price / 1M$14.00$3.00
Average Score0.70.9

Verdict

GPT-5.3 Codex leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.3 Codex — 0.7, Qwen3-235B-A22B-Thinking-2507 — 0.9.

API Cost

Qwen3-235B-A22B-Thinking-2507 is 4.8x cheaper: input $0.30/1M vs $1.75/1M tokens.

Context Window

GPT-5.3 Codex supports a larger context: 400K vs 256K tokens.

Recency

GPT-5.3 Codex is newer: released 2/5/2026 vs 7/24/2025.

More About These Models

Related Comparisons

The GPT-5.3 Codex and Qwen3-235B-A22B-Thinking-2507 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.3 Codex or Qwen3-235B-A22B-Thinking-2507 page. See also the complete list of AI model comparisons.