Claude Sonnet 5 (Adaptive Reasoning, High Effort)

By Anthropic · released 2026-06-30 (2 months) · snapshot 2026-09-09

Not ranked · benchmark data missingproprietary
Price per 1M tokens (in / out)
$2.00 / $10.0
End-to-end time
15.4s
Better than…

Is Claude Sonnet 5 (Adaptive Reasoning, High Effort) on the Pareto frontier, and what beats it?

Not ranked · benchmark data missing

Claude Sonnet 5 (Adaptive Reasoning, High Effort) does not report both selected axis metrics.

At a glance

Claude Sonnet 5 (Adaptive Reasoning, High Effort) today

Time to first answer8.10s
Output speed69 tok/s
Input modalitiesNot reported
Not plotted

Benchmark data unavailable

Intelligence and benchmark cost are both required to place this model on the frontier. Missing data is not a performance verdict.

Intelligence index
Not reported
Benchmark cost
Not reported
Input / 1M tokens
2.00
Output / 1M tokens
10.00
Context window
Not reported

Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: claude-sonnet-5-high.

Matchup

Compare head to head

Suggested: what beats it, its effort levels, and frontier models near its price.

Release

What the Claude Sonnet 5 release did to the frontier on 2026-06-30

None of its 6 effort levels reached the frontier at launch.

Closest miss: Claude Sonnet 5 (max), 0.2 points below GPT-5.5 (xhigh) at 1.3× the cost.

Deciding

Should you use Claude Sonnet 5 (Adaptive Reasoning, High Effort)?

Should you use Claude Sonnet 5 (Adaptive Reasoning, High Effort)?

No verdict: it does not report both intelligence and benchmark cost.

What is better and cheaper than Claude Sonnet 5 (Adaptive Reasoning, High Effort)?

Other models on the intelligence-vs-cost frontier

How much does Claude Sonnet 5 (Adaptive Reasoning, High Effort) cost?

$2.00/$10 in/out per 1M tokens, and - to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.

Frontier membership by axis pair

Other axis pairs where Claude Sonnet 5 (Adaptive Reasoning, High Effort) is Pareto-optimal.

Y axisX axisOn the frontier
AA intelligence indexAA total cost to run (USD)no data
AA intelligence indexEnd-to-end total secondsno data
AA intelligence indexOutput speed tokens/secno data
Agents: 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