GPT-5.1-Codex-Max vs Qwen3.5 397B
Change modelsGPT-5.1-Codex-MaxOpenAI
Qwen3.5 397BAlibaba
IndexAll categories, out of 100.
53.8 ±6.2
53.8 ±2.4
GapIndex points below the top.
Top
Top
CoverageIndex weight that has results.
85%
100% best
SpeedOutput tokens per second.
55/s
59/s best
EloLMArena rating and rank.
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—
ReleasedMonth of release.
2025-11
2026-02
Input / 1MUS dollars per 1M input tokens.
$1.25
$0.60 best
Output / 1MUS dollars per 1M output tokens.
$10.00
$3.60 best
1K chats2K tokens in, 500 out, each.
$7.50
$3.00 best
1K documents20K tokens in, 1K out, each.
$35.00
$15.60 best
1K agent tasks200K tokens in, 20K out, each.
$450.00
$192.00 best
ContextMaximum tokens in one request.
400K best
128K
AgenticMulti-step tasks with tools.
57.5 best
53.3
CodingCode writing and repair.
53.2
53.3 best
ReasoningLogic problems and puzzles.
51.4
51.9 best
MultimodalTasks with images and text.
49.5
55.6 best
KnowledgeFacts and expert knowledge.
55.7 best
53.8
MultilingualTasks in many languages.
—
55.6
InstructionTasks with strict prompt rules.
54.4
55.6 best
MathMath problems.
—
53.6
Benchmarks
7 sharedOnly GPT-5.1-Codex-Max: 5Only Qwen3.5 397B: 62
GPT-5.1-Codex-Max
Qwen3.5 397B