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Leaderboard / Anthropic

Claude 3.5 Sonnet

Anthropic 2024-06-20 CLOSED Proprietary
Other settings:2024-10-22 · 36
Verdict

Claude 3.5 Sonnet is behind the leaders: #267 of 406 by SIscope score. Strongest at following instructions, weaker at math.

SIscope score
32
#267 of 406
Human-vote rank
#274
of 419 · score 1281
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.

Coding38
Agents & toolsNo data yet–
Reasoning & knowledge33
Math27
Chat quality35
Following instructions38

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

Human-vote score over time

Text arena, recent updates.

127512801285Oct 20: 1280.9 (rank #272)Oct 22: 1280.9 (rank #273)Oct 28: 1280.9 (rank #274)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 Diamond54%
PhD-level science multiple choice questions
Better than 28% of 333 tested models. Run Jan 27, 2025.
OTIS Mock AIME 2024-257%
Competition maths problems in the style of AIME
Better than 13% 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
#274 of 41912811278–128482,419Oct 28, 2026
WebDev arena
Building web apps, blind human votes
Not on this board yet
Vision arena
Questions about images, blind human votes
#128 of 16711201110–113021,624Oct 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.