Claude Opus 4.6
by Anthropic PBC
Anthropic’s Opus‑class model for long‑context coding and agentic work.
Score
Score
Our verdict
A strong choice for long‑context coding and agentic workflows, with clear pricing and broad cloud availability; pricey for high‑volume generation.
Overview
Score breakdown
Overall score
Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.
Expert review
CBAI Editorial Team
Compare Best AI · Editorial Team
Claude Opus 4.6 strikes a useful balance between capability and predictability for developer work. The jump to a 1M‑token context window at standard rates makes it practical for very large codebases and long‑running agent sessions without special pricing or separate SKUs. Real‑world developer ergonomics are solid across the first‑party API and major clouds (Bedrock, Google Cloud), and prompt caching plus data‑residency controls help with both cost and compliance. Output quality and reasoning are strong in complex, multi‑step tasks. The main trade‑offs are usage cost—$5/$25 per MTok adds up on large outputs—and modalities: while image understanding is supported, audio/embeddings and high‑resolution vision are tied to other or later models. If you need long context, careful planning, and availability across AWS and Google Cloud with HIPAA‑ready options, Opus 4.6 remains a dependable pick in 2026.
How we tested
Tasks evaluated
- ·Verified official API pricing and caching multipliers for Opus 4.6
- ·Confirmed 1M context GA on Claude Platform and supported clouds
- ·Checked AWS Bedrock model card for lifecycle status and max output tokens
- ·Confirmed availability on Google Cloud and multi‑platform context support
- ·Reviewed Anthropic docs for data residency and HIPAA‑ready options
Method
Desk research from official Anthropic and cloud‑provider documentation; no hands‑on benchmarks or private pricing evaluated.
Reviewer
CBAI Editorial Team
Plans & pricing
API usage (Claude Opus 4.6)
Developers and teams needing Opus‑tier reasoning with 1M context at on‑demand rates
- Input tokens: $5 per MTok
- Output tokens: $25 per MTok
- Prompt caching: 5‑min writes 1.25×; 1‑hour writes 2×; cache hits 0.1×
- Data residency (4.6+): US‑only inference 1.1×
- 1M‑token context included at base rates
Pricing may vary by region. Always verify on the vendor's website.
Feature comparison
- 1M‑token context window at standard pricing on the Claude Platform and major clouds
- Up to 128K max output tokens (per AWS Bedrock model card)
- Usage‑based API pricing with prompt caching (5‑minute and 1‑hour writes; 0.1× cache reads)
- Supports image and text inputs (vision) for analysis; high‑resolution vision is documented for later Opus models
- Available on the Claude API, Amazon Bedrock, and Google Cloud
- Data residency control for 4.6+ via inference_geo (e.g., US‑only, 1.1× pricing)
Is it right for you?
Good fit for
Long‑context coding
Handles massive repositories and multi‑file refactors with sustained reasoning.
Agentic workflows
Build tools and agents that plan and execute multi‑step tasks over long sessions.
Regulated industries
HIPAA‑ready Enterprise options and data residency controls for US‑only inference.
Less suited for
Audio or embeddings
No native audio or embedding modality per official cloud model details.
Image/video generation
Focuses on analysis and reasoning; not an image/video generator.
User reviews
Editorial score
Distribution is estimated from our editorial score. Verified user reviews coming soon.
Use cases
Typical ways teams rely on this tool — from everyday tasks to specialized workflows.
- Refactor and navigate monorepos or large legacy codebases with sustained reasoning
- Build multi‑step coding and data agents that maintain long conversational state
- Analyze long contracts, RFPs, or research corpora within a 1M‑token window
- Enterprise deployments requiring HIPAA‑ready configurations and data residency
Integrations
Reported connectors
Apps and services commonly connected out of the box or via official connectors.
- Amazon Bedrock
- Google Cloud (Gemini Enterprise Agent Platform)
- Microsoft Foundry
Privacy & compliance
Security & data practices
Highlights we track from the vendor's documentation. Always confirm current terms, subprocessors, and regional policies on their official site.
- Anthropic states SOC 2 Type II and other certifications for the Claude API and offers HIPAA‑ready Enterprise plans with a signed BAA. Data residency: for Claude 4.6+ models
- US‑only inference is supported (1.1× price multiplier).
Details
Category
Price
- Usage-based API: $5/MTok input, $25/MTok output (1M context included at base rates)
Free version
Best for
- Refactoring and understanding very large codebases with sustained reasoning - Building multi‑step agents and tools that operate over long sessions - Enterprise document analysis and decision support at 1M‑token context - Deployments needing HIPAA‑ready options and/or US data residency controls
Frequently asked questions
Claude Opus 4.6
Developer
Ready to get started?
Visit the Claude Opus 4.6 website to explore plans and pricing.
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