Claude Sonnet 5 (High)
By Anthropic · released 2026-06-30 (3 months) · snapshot 2026-10-24
- Intelligence index
- 31.70
- Cost to run the AA index
- $2086
- Price per 1M tokens (in / out)
- $2.00 / $10.0
- End-to-end time
- 15.1s
Is Claude Sonnet 5 (High) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6.1 Sol (Max) is at least as smart for the same money or less.
Next step up: Claude Opus 5.5 (High, Default Fallback), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | Claude Sonnet 5 (High) | Anthropic | 31.70 | $2086 | 15.1s | 2026-06-30 | ||
| 2 | GPT-6.1 Sol (Max) | OpenAI | 51.80 | $1082 | 220.5s | 2026-09-29 | Frontier | |
| 3 | Claude Opus 5.5 (High, Default Fallback) | Anthropic | 53.60 | $2172 | 33.8s | 2026-09-22 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Claude Sonnet 5 (High) today
5 of 6 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: claude-sonnet-5-high.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- Claude Sonnet 5 (High) vs GPT-6.1 Sol (Max)
- Claude Sonnet 5 (High) vs Claude Opus 5.5 (High, Default Fallback)
- Claude Sonnet 5 (High) vs Claude Sonnet 5 (Low)
- Claude Sonnet 5 (High) vs Claude Sonnet 5 (Medium)
- Claude Sonnet 5 (High) vs Claude Sonnet 5 (Xhigh)
- Claude Sonnet 5 (High) vs Claude Sonnet 5 (Max)
- Claude Sonnet 5 (High) vs Claude Sonnet 5 (Non-reasoning, High)
- Claude Sonnet 5 (High) vs Kimi K3.1 Pro
- Claude Sonnet 5 (High) vs Claude Opus 5.5 (Xhigh, Default Fallback)
What the Claude Sonnet 5 release did to the frontier on 2026-06-30
2 of 6 effort levels reached the frontier at launch (Claude Sonnet 5 (High), Claude Sonnet 5 (Xhigh)). Impact 0.01, #45 of 46 releases this past year.
Should you use Claude Sonnet 5 (High)?
Should you use Claude Sonnet 5 (High)?
Only when it fits your setup: GPT-6.1 Sol (Max) is at least as smart for the same money or less, so Claude Sonnet 5 (High) is off the value frontier today.
What is better and cheaper than Claude Sonnet 5 (High)?
GPT-6.1 Sol (Max) — at least as smart for the same money or less.
How much does Claude Sonnet 5 (High) cost?
$2.00/$10 in/out per 1M tokens, and $2086 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is Claude Sonnet 5 (High) on the Pareto frontier?
No: GPT-6.1 Sol (Max) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where Claude Sonnet 5 (High) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/claude-sonnet-5-high · Markdown: /api/v1/models/claude-sonnet-5-high?format=md · llms.txt · agent skill