Frontier rank
#24
of 25 tracked
Frontier score
-4
100 = #1 on every board
Best placing
#12
Agents
Released
Jun 30
Claude Sonnet 5 · 2026
Claude Sonnet 5 against the field
Benchmarks
Frontier scoreAverage placing, 100 = #1 everywhere
- #1Claude Opus 5.597
- #2GPT-6 Astra95
- #3Claude Fable 5.184
- #4Gemini 4 Argon83
- #5GPT-6.1 Sol82
- #6Claude Opus 575
- #7GPT-6 Sol71
- #8Claude Fable 550
- #24Claude Sonnet 5-4
OverallArena Elo
Claude Sonnet 5 isn't on this board yet.
Hard problemsArena Elo
Claude Sonnet 5 isn't on this board yet.
CodingArena Elo
- #1Claude Opus 5.51813
- #2GPT-6 Astra1786
- #3Claude Sonnet 5.51774
- #4GPT-6.1 Sol1755
- #5Claude Fable 5.11744
- #39Claude Sonnet 51541
AgentsAgent score
- #1Claude Opus 5.514.3
- #2GPT-6 Astra13.1
- #3Claude Fable 5.112.7
- #4Claude Sonnet 5.512
- #5GPT-6.1 Sol11.7
- #12Claude Sonnet 54.9
Arena leaderboards
Where it places
| Board | Placing | Score | Votes |
|---|---|---|---|
| Overall | Not on this board | ||
| Hard problems | Not on this board | ||
| Coding | #39 | 1541 Elo | 14,574 |
| Agents | #12 | 4.9 | 32,372 |
From blind head-to-head votes on Arena, published Oct 9, 2026. Variants (high, max) count once at their best.
From the lab's own announcement
Release
Claude Sonnet 5
Released Jun 30, 2026
News
