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Claude Sonnet 5 benchmarks, ranks and price

Where Artificial Analysis, LiveBench, LMArena and Berkeley BFCL place Claude Sonnet 5, what it costs through OpenRouter and Vercel AI Gateway, and the models either side of it on the consensus.

Updated Oct 1, 2026Full leaderboardSources and method

Read Oct 1, 2026

#13of 85

on the LLM leaderboard, with a consensus score of 69 across 3 leaderboards.

Source: Artificial Analysis, LiveBench, LMArena and Berkeley BFCL, combined by Rank.ai.

By leaderboard

Where each leaderboard places Claude Sonnet 5

Artificial Analysis

#9of 51

Score 38.2. Best run: anthropic/claude-sonnet-5.

Intelligence Index: a composite of reasoning, knowledge, maths and coding evaluations.

LiveBench

#12of 34

Score 74.8. Best run: Claude Sonnet 5 xHigh Effort.

Contamination-limited questions refreshed each release: reasoning, maths, coding, data analysis, language.

LMArena

#20of 79

Score 1461. Best run: claude-sonnet-5-high.

Blind head-to-head human votes, style controlled.

Berkeley BFCL

Not measured by Berkeley BFCL.

Function calling and tool use, single turn to multi turn and web search.

Price and context

$4.00

OpenRouter: $2.00 in, $10 out. Vercel AI Gateway: $2.00 in, $10 out Context window 1M tokens. LiveBench cost per solved task $0.492.

Nearby

The models either side of Claude Sonnet 5

  1. #10Gemini 3.1 Pro Preview72
  2. #11Muse Spark 1.172
  3. #12Grok 4.572
  4. #13Claude Sonnet 569
  5. #14Claude Opus 4.6 Thinking High Effort69
  6. #15Claude Opus 4.5 20251101 Thinking 64K High Effort68
  7. #16Gemini 3.5 Flash67

Questions about Claude Sonnet 5

How good is Claude Sonnet 5?
Claude Sonnet 5 ranks #13 of 85 models on the Rank.ai LLM leaderboard, with a consensus score of 69 out of 100 across 3 leaderboards.
Is Claude Sonnet 5 better than Grok 4.5?
Not on the consensus: Grok 4.5 scores 72 to Claude Sonnet 5's 69. Compare them source by source below, since the leaderboards test different things.
Is Claude Sonnet 5 better than Claude Opus 4.6 Thinking High Effort?
On the consensus, yes: 69 to 69.
How much does Claude Sonnet 5 cost?
$2.00 per million input tokens and $10 per million output tokens on OpenRouter, the cheaper listing we read. Blended at three input tokens to one output, that is $4.00 per million.
Is Claude Sonnet 5 good for coding?
It scores 71.5 on the Artificial Analysis Coding Index, placing it #9 for coding among the models on this leaderboard.

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