Anthropic · CLOUD API

Claude Opus 5

VisionReasoningTool use

Cloud API for vision, chat & writing, reasoning, tool use. Capabilities are catalog-listed, not independently scored.

Listed Jul 24, 2026 · Checked Oct 27, 2026

What it does

Published capability labels: Vision, Reasoning, Tool use. Listed uses: Chat & writing, Reasoning, Tool use.

Inputs
text, image, pdf
Outputs
text
Category
Language
Context window
1M tokens
License
Provider terms

These labels describe intended capabilities. Scout has not independently evaluated this model or established that it is best at a particular task.

Cloud pricing

Listed base text API rates from Models.dev, in USD per million tokens. These are not consumer chat subscription prices.

OfferingInputOutputCached input
Anthropic · claude-opus-5 ↗$5$25$0.5

Rates may change; higher context or usage tiers can cost more. Check the provider for current availability and tool, media, tax, or other charges.

Tested performance

Independent leaderboard results for exact configurations of this model. Each test has its own scale, so compare results within a test, not across tests. See every tested model.

Code Arena

Build apps & websites · Ratings published Oct 23, 2026

ConfigurationResult95% intervalEvidence
Claude Opus 5 (Max)1690.71684.5 to 1696.918,995 votes · leaderboard rank #9
Claude Opus 5 (High)1658.61653.2 to 1663.925,607 votes · leaderboard rank #15

A preference rating, not a percentage of correct answers. Design, usability, and the coding setup affect votes. Original leaderboard ↗ · CC BY 4.0

Terminal-Bench 4.0

Complete terminal tasks · Latest imported submission Oct 6, 2026

ConfigurationResult95% intervalEvidence
anthropic/claude-opus-551.82%48.43% to 55.21%330 trials · leaderboard rank #5

Agent versions and spending differ. These results do not isolate model ability or predict speed on your computer. Original leaderboard ↗ · Apache 2.0

Agent Arena

Work with an AI agent · Ratings published Oct 23, 2026

ConfigurationResult95% intervalEvidence
Claude Opus 5 (Max)+0.082+0.066 to +0.09824,440 sessions · leaderboard rank #8

A net improvement index relative to Arena’s baseline. Zero is the baseline, not zero capability; this is not a task completion percentage. Original leaderboard ↗ · CC BY 4.0

Benchmark evidence

No vendor-reported results are attached to this listing.