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Models/claude-sonnet-4-6

Claude Sonnet 4.6

27th on DeepSWE v1.1 Best (high) at 29.9%.

Anthropic · Proprietary · Fetched 2026-10-10

LMArena WebDev
1523
#56 / 153 · ±5
EQ-Bench Creative Writing v3
1811
#26 / 146
DeepSWE v1.1
29.9%
#27 / 28 · 25.8–34.0

Benchmark scores

Boards older than 90 days are not counted as recommendations
BenchmarkSettingScoreRankCostAs of
LMArena WebDev—1523±5#56—2026-10-27
EQ-Bench Creative Writing v3—1811#26—2026-10-29
DeepSWE v1.1high · mini-swe-agent29.925.8–34.0#27$5.522026-09-22
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
  • Still has a checkable historical-tier score on DeepSWE.
When not
  • Well behind Sonnet 5 / 5.5; do not merge the rows.

Appears in these scenarios

Collected from scenario boards
Build a Web frontend#27DeepSWE 29.9%Build an Android app#27DeepSWE 29.9%Write CLI, scripts, and DevOps#27DeepSWE 29.9%Write docs & copy#26Creative Writing 1811

Peers

ModelWebDevPrice $/M
Claude Sonnet 4.6Current1523—Muse Spark 1.21534—GPT 5.6 Terra1520—