Models/claude-sonnet-5

Claude Sonnet 5

A different row from Sonnet 5.5. The current public Supabase board lists Sonnet 5.5 instead. This row is still led by Next.js: 81% without AGENTS.md and 97% with it. 18th on DeepSWE v1.1 Best (max) at 53.8%.

Anthropic · Proprietary · Fetched 2026-10-10

LMArena WebDev

1540

#50 / 153 · ±6

LMArena Image-to-WebDev

1540

#32 / 65 · ±8

Terminal-Bench 4.0

12.4%

#33 / 35 · ±3.1

Benchmark scores

Boards older than 90 days are not counted as recommendations

BenchmarkSettingScoreRankCostAs of

LMArena WebDevhigh1540±6#50—2026-10-27

LMArena Image-to-WebDevhigh1540±8#32—2026-10-19

Terminal-Bench 4.0max · Claude Code12.4±3.1#33$9.6k2026-10-06

The Slop Index—51#43—2026-10-28

EQ-Bench Creative Writing v3—1797.9#29—2026-10-29

Next.js Agent EvalsClaude Code81.0#12$0.3862026-10-30

Convex Evals1 run74.11#17$1.862026-10-28

ReactBenchxhigh32.328.9–35.7#38$3.172026-10-19

DeepSWE v1.1max · mini-swe-agent53.849.6–58.1#18$26.402026-09-22

SWE-bench Verified—This board has stopped updating——2026-02-26

Aider Polyglot—This board has stopped updating——2025-11-20

Use it or not

Why

On Next.js, pass@4 moves from 81% to 97% once AGENTS.md is available.

When not

Do not merge this with Sonnet 5.5's Supabase / sudo / Android scores into one score.

Appears in these scenarios

Collected from scenario boards

Build a Web frontend#12Next.js 81.0%Build an Android app#18DeepSWE 53.8%Write CLI, scripts, and DevOps#18DeepSWE 53.8%Write docs & copy#29Creative Writing 1797.9

Peers

ModelWebDevPrice $/M

Claude Sonnet 5Current1540—Muse Spark 1.11542—Gemini 3.6 Flash1538—