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Leaderboard / OpenAI

GPT-5.2

OpenAI CLOSED Proprietary
Other settings:High · 65
Verdict

GPT-5.2 is a solid mid-pack model: #152 of 406 by SIscope score. Strongest at following instructions, weaker at coding. On the pricey side: costs more than 82% of priced models.

SIscope score
57
#152 of 406
Human-vote rank
#138
of 419 · score 1412
Price per 1M tokens, blended
$4.81
$1.75 in · $14 out
Context window
400K
400,000 tokens

Shape

Each spoke is a category, 0 at the centre, 100 at the edge.

CodingAgentsno data yetReasoningMathChatInstructions

Category scores

Percentiles: 90 means better than about 90% of tested models.

Coding53
Agents & toolsNo data yet–
Reasoning & knowledge58
Math55
Chat quality67
Following instructions70

What goes into each category · Compare with DeepSeek V4.1 Flash

Human-vote score over time

Text arena, recent updates.

140514131420Oct 20: 1412.2 (rank #137)Oct 22: 1412.2 (rank #137)Oct 28: 1412.3 (rank #138)Oct 20Oct 28

Coding votes over time

WebDev arena, recent updates.

141014181425Oct 16: 1416.8 (rank #86)Oct 18: 1416.8 (rank #87)Oct 19: 1416.8 (rank #89)Oct 22: 1416.7 (rank #90)Oct 23: 1416.7 (rank #91)Oct 27: 1416.6 (rank #92)Oct 28: 1416.4 (rank #93)Oct 16Oct 28

Independent test runs

Run by Epoch AI on the same harness for every model. Bars show the share of questions answered correctly.

GPQA Diamond73%
PhD-level science multiple choice questions
Better than 45% of 333 tested models. Run Jul 13, 2026.
OTIS Mock AIME 2024-2562%
Competition maths problems in the style of AIME
Better than 43% of 313 tested models. Run Jul 13, 2026.

Human-vote arenas

People compare two anonymous answers and pick the better one. Scores work like chess ratings.

ArenaRankScoreRange (95%)VotesUpdated
Text arena
Everyday chat, blind human votes
#138 of 41914121409–141583,793Oct 28, 2026
WebDev arena
Building web apps, blind human votes
#93 of 15214161394–14391,082Oct 28, 2026
Vision arena
Questions about images, blind human votes
#81 of 16712291223–123520,100Oct 19, 2026
Agent arena
Real multi-step agent sessions
Not on this board yet

Source: Arena (formerly LMArena) leaderboard dataset, CC BY 4.0. Fetched Nov 4, 2026.

Price

Input
$1.75
per 1M tokens
Output
$14
per 1M tokens
Blended
$4.81
3 in : 1 out, per 1M
Context window
400K
max tokens per request
Speed
Coming soon
our own tests

List price from the OpenRouter models API (openai/gpt-5.2), Nov 4, 2026. Providers can charge differently.