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Anthropic
Claude Opus 4.6
Anthropic’s highest-capability Claude tier for difficult reasoning, long-form synthesis, and premium agent work.
Overall score
94
frontierreasoninglong-form
Context window
200K tokens
Speed
Deliberate
Input pricing
$15 / 1M input tokens
Output pricing
$75 / 1M output tokens
Score breakdown
Capability97
Use-case fit94
Cost efficiency71
Speed76
Reliability94
Agent readiness95
Ecosystem92
Scores combine benchmark signals, product experience, and editorial weighting. Use them as a practical guide, not an absolute truth claim.
Best for
CodingResearchAgent automation
Works with
Claude CodeAnthropic APILangGraphMCP clients
Modalities
textimagefile
Sources & trust
Officially verified core fields
Official linkSummaryDescriptionModalitiesContext windowMax outputTool supportPricingPricing page
Editorial fields such as shortlist guidance, strengths, caveats, and scoring remain clearly separated from official provider data.
Anthropic official
Official site · Tier 5 · Apr 9, 2026
Official link
Claude models overview
Official docs · Tier 5 · Apr 9, 2026
SummaryDescriptionModalitiesContext windowMax outputTool support
Anthropic API pricing
Pricing page · Tier 5 · Apr 9, 2026
PricingPricing page
Claude Opus 4.6 VerdictLens review
Manual review · Tier 3 · Apr 9, 2026
Best-fit guidanceWorks-with guidanceStrengthsCaveatsOverall scoreScore breakdown
Last verified: Apr 9, 2026
Strengths
- Top-tier reasoning and synthesis for hard tasks.
- Strong fit for premium research and coding workflows.
Things to watch
- Premium pricing makes cost control important.
- Often better reserved for escalation rather than every request.
Best for
Coding copilots & repo execution
Prioritize reliability, diff quality, tool-calling control, and the ability to maintain focus across multi-file edits.
Research synthesis & analyst workflows
Prioritize source grounding, multilingual reading, long-context reasoning, and a retrieval stack that stays inspectable.
Agent automation & operations
Prioritize tool reliability, composability, secret handling, and robust state management across long-running flows.