Claude Opus 5 (Adaptive Reasoning, Medium Effort)
By Anthropic · released 2026-07-24 (2 weeks) · snapshot 2026-08-07
- Intelligence index
- 58.60
- Cost to run the AA index
- $1116
- Price per 1M tokens (in / out)
- $5.00 / $25.0
- End-to-end time
- 15.9s
Is Claude Opus 5 (Adaptive Reasoning, Medium Effort) on the Pareto frontier, and what beats it?
On the Pareto frontier
Yes. Nothing live under $10,000 is both smarter and cheaper to run.
The daily check URL below returns 409 the day that changes.
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Claude Opus 5 (Adaptive Reasoning, Medium Effort) today
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: claude-opus-5-medium.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- Claude Opus 5 (medium) vs Claude Opus 5 (Adaptive Reasoning, Low Effort)
- Claude Opus 5 (medium) vs Claude Opus 5 (Adaptive Reasoning, High Effort)
- Claude Opus 5 (medium) vs Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
- Claude Opus 5 (medium) vs Claude Opus 5 (Adaptive Reasoning, Max Effort)
- Claude Opus 5 (medium) vs Muse Spark 1.1 (xhigh)
- Claude Opus 5 (medium) vs Grok 4.5 (high)
- Claude Opus 5 (medium) vs Muse Spark 1.2 (xhigh)
- Claude Opus 5 (medium) vs GPT-5.6 Sol (high)
- Claude Opus 5 (medium) vs GPT-5.6 Sol (xhigh)
Compare Claude Opus 5 (Adaptive Reasoning, Medium Effort) with measured models
What the Claude Opus 5 release did to the frontier on 2026-07-24
4 of 5 effort levels reached the frontier at launch (Claude Opus 5 (medium), Claude Opus 5 (high), Claude Opus 5 (xhigh), Claude Opus 5 (max)). Impact 1.32, #18 of 41 releases this past year.
Should you use Claude Opus 5 (Adaptive Reasoning, Medium Effort)?
Should you use Claude Opus 5 (Adaptive Reasoning, Medium Effort)?
Yes, for the money: nothing live under $10,000 is both smarter and cheaper to run, so it sits on the value frontier.
What is better and cheaper than Claude Opus 5 (Adaptive Reasoning, Medium Effort)?
Nothing: no live model under $10,000 is both smarter and cheaper.
How much does Claude Opus 5 (Adaptive Reasoning, Medium Effort) cost?
$5.00/$25 in/out per 1M tokens, and $1116 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is Claude Opus 5 (Adaptive Reasoning, Medium Effort) on the Pareto frontier?
Yes: Claude Opus 5 (Adaptive Reasoning, Medium Effort) is on the intelligence-vs-cost Pareto frontier.
Frontier membership by axis pair
Other axis pairs where Claude Opus 5 (Adaptive Reasoning, Medium Effort) 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-opus-5-medium · Markdown: /api/v1/models/claude-opus-5-medium?format=md · llms.txt · agent skill