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Leaderboard / OpenAI

GPT-5.2

OpenAI High CLOSED Proprietary
Other settings:Default · 57
Verdict

GPT-5.2 is a solid mid-pack model: #105 of 406 by SIscope score. Strongest at math, weaker at coding. On the pricey side: costs more than 82% of priced models.

SIscope score
65
#105 of 406
Human-vote rank
#131
of 419 · score 1416
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.

Coding60
Agents & toolsNo data yet–
Reasoning & knowledge63
Math82
Chat quality69
Following instructions74

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

Human-vote score over time

Text arena, recent updates.

141014181425Oct 20: 1416.2 (rank #130)Oct 22: 1416.4 (rank #130)Oct 28: 1416.3 (rank #131)Oct 20Oct 28

Independent test runs

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

GPQA Diamond88%
PhD-level science multiple choice questions
Better than 78% of 333 tested models. Run Dec 11, 2025.
SimpleQA Verified34%
Short factual questions; rewards not making things up
Better than 39% of 100 tested models. Run Aug 27, 2026.
OTIS Mock AIME 2024-2596%
Competition maths problems in the style of AIME
Better than 85% of 313 tested models. Run Dec 11, 2025.
SWE-bench Verified74%
Fixing real GitHub issues in Python repositories
Better than 47% of 35 tested models. Run Feb 12, 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
#131 of 41914161413–142049,628Oct 28, 2026
WebDev arena
Building web apps, blind human votes
Not on this board yet
Vision arena
Questions about images, blind human votes
#68 of 16712461240–125219,022Oct 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.