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Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback)

★ featured
Anthropic · released 2026-09-17 · 12 offers

Output 67 tokens/sFirst token 12 sContext 1M tokens

Top 3 cheapest providers (Adjusted $/task)

The same list price can give a different adjusted $/task (caching, token efficiency) — click a price for its inputs.

Within the active global provider, residency and confidentiality filters.

#ProviderAdjusted $/task
1Amazon Bedrock
2Azure
3Google

Composite

1 of 7 inputs6 radar axes: DesignArena's two boards share one

99.3

AA CodingCoding Agent v1.4AA IntelligenceAA AgenticEpoch ECISoftware ECIDesignArenaAA Intelligence: percentile 100

AA Coding Coding Agent v1.4 AA Intelligence 53.6AA Agentic Epoch ECI Software ECI DesignArena —/—

Radar: percentile among all models measured on each input; a gap means not measured.

Benchmark sheet

0 of 265 registered benchmark versions · bars show the percentile among all models measured on each benchmark.

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Reasoning

Missing coverage · 269 benchmark versions

No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.

Variants / reasoning settings

Artificial Analysis snapshot 2026-09-22 · Data: Artificial Analysis · Data: Epoch AI (CC BY)

VariantAA CodingAA Intelligence
Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)57.6
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)56.0
Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback)53.6
Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)51.2
Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)42.3
Token offers by platform · 8 offers (Adjusted $/task)

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8 offers within the active global filters; “—” means the catalog is active but no public token price is available.

OpenRouter (8)

Amazon Bedrock
Azure
Google
Amazon Bedrock
Amazon Bedrock
Azure
Google
Google
Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback) — benchmarks & cost | Benchmark Heaven