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Leaderboard / OpenAI

GPT-4.1 nano

OpenAI 2025-04-14 CLOSED Proprietary
Verdict

GPT-4.1 nano is behind the leaders: #282 of 406 by SIscope score. Strongest at coding, weaker at reasoning & knowledge. Cheaper than 90% of priced models.

SIscope score
29
#282 of 406
Human-vote rank
#267
of 419 · score 1285
Price per 1M tokens, blended
$0.17
$0.1 in · $0.4 out
Context window
1M
1,047,576 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.

Coding38
Agents & toolsNo data yet–
Reasoning & knowledge21
Math30
Chat quality36
Following instructions37

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

Human-vote score over time

Text arena, recent updates.

128012851290Oct 20: 1284.8 (rank #265)Oct 22: 1284.8 (rank #266)Oct 28: 1284.8 (rank #267)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 Diamond49%
PhD-level science multiple choice questions
Better than 24% of 333 tested models. Run Apr 14, 2025.
SimpleQA Verified6%
Short factual questions; rewards not making things up
Better than 0% of 100 tested models. Run Aug 31, 2026.
OTIS Mock AIME 2024-2529%
Competition maths problems in the style of AIME
Better than 23% of 313 tested models. Run Apr 14, 2025.

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
#267 of 41912851277–12926,103Oct 28, 2026
WebDev arena
Building web apps, blind human votes
Not on this board yet
Vision arena
Questions about images, blind human votes
#139 of 16710631045–10821,211Oct 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
$0.1
per 1M tokens
Output
$0.4
per 1M tokens
Blended
$0.17
3 in : 1 out, per 1M
Context window
1M
max tokens per request
Speed
Coming soon
our own tests

List price from the OpenRouter models API (openai/gpt-4.1-nano), Nov 4, 2026. Providers can charge differently.