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Leaderboard / Anthropic

Claude 3 Sonnet

Anthropic 2024-02-29 CLOSED Proprietary
Verdict

Claude 3 Sonnet is behind the leaders: #319 of 406 by SIscope score. Strongest at following instructions, weaker at math.

SIscope score
20
#319 of 406
Human-vote rank
#314
of 419 · score 1218
Price per 1M tokens, blended
No price yet
Not listed on OpenRouter
Context window
No data yet
Speed: coming soon

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.

Coding25
Agents & toolsNo data yet–
Reasoning & knowledge20
Math15
Chat quality25
Following instructions26

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

Human-vote score over time

Text arena, recent updates.

121012181225Oct 20: 1218.1 (rank #312)Oct 22: 1218 (rank #313)Oct 28: 1218 (rank #314)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 Diamond41%
PhD-level science multiple choice questions
Better than 15% of 333 tested models. Run Jan 27, 2025.
OTIS Mock AIME 2024-253%
Competition maths problems in the style of AIME
Better than 6% of 313 tested models. Run Feb 25, 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
#314 of 41912181214–1222109,284Oct 28, 2026
WebDev arena
Building web apps, blind human votes
Not on this board yet
Vision arena
Questions about images, blind human votes
#154 of 167984973–99512,314Oct 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

No public list price yet. We only show prices from the OpenRouter models API, and this model isn't listed there under a matching name.