MODEL PROFILE / EDITION 2026.09
Claude Sonnet 5
Teams that need Claude-grade code quality across a whole org at moderate cost
Balanced model evidence score; rank 23. No rank delta is shown because there is no prior numeric snapshot.
Best for
Teams that need Claude-grade code quality across a whole org at moderate cost
Price & access
$2 in / $10 out per 1M; cache read $0.20, cache write $2.50
Evidence summary
Strong first-party and leaderboard coverage for price, context and coding, but no Sonnet-5-specific agentic or debugging benchmark was found.
Edition status
No prior snapshot. Tracked in the September 2026 baseline.
Strengths
- SWE-bench Verified 85.2% at $2/$10 is the best correctness-per-dollar in the Anthropic line
- 1M multimodal context and 128K output at mid-tier price
- Only Claude in this set available on the consumer Free plan
- Well-sampled Arena row (7,006 votes)
Tradeoffs
- TTFT 203.67 s at max effort is among the worst measured here
- Design Arena 1292 and Arena 1543 are mid-pack visually
- Anthropic docs give no separate Sonnet-5 frontend claims
- Several AA effort variants have no published score
Score profile
visual 68 · code 80 · agentic 78 · debug 75 · context 92 · speed 52 · value 76
Linked evidence
Evidence source 1 ↗Evidence source 2 ↗Evidence source 3 ↗Evidence source 4 ↗Evidence source 5 ↗Evidence source 6 ↗Compare this model on the full scoreboard
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