Claude Opus 4.6 vs Claude Sonnet 4.6: pricing, Quality, Value, and benchmarks

Buyer access

Pricing, app access, and ease of use

• Humanity's Last Exam

  Normalized quality input

  62.7%

  Anthropic Claude Opus 4.6 launch page | Anthropic official launch and system-card materials. Results are vendor-reported and may use model-specific harness settings that must be compared cautiously.

• SWE-bench Verified

  Normalized quality input

  62.7%

  Anthropic Claude Opus 4.6 launch page | Anthropic official launch and system-card materials. Results are vendor-reported and may use model-specific harness settings that must be compared cautiously.

• MRCR v2

  1M retrieval

  70.0%

  Anthropic Claude Opus 4.6 launch page | Anthropic official launch and system-card materials. Results are vendor-reported and may use model-specific harness settings that must be compared cautiously.

• ARC-AGI-2

  Novel pattern reasoning

  68.8%

  ARC Prize leaderboard | ARC-AGI-2 is shown as supplementary evidence only and is not currently included in the PickAI Quality Score.

• Humanity's Last Exam

  Normalized quality input

  33.2%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• SWE-bench Verified

  Normalized quality input

  79.6%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• GPQA Diamond

  Normalized quality input

  89.9%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• ARC-AGI-2

  Novel pattern reasoning

  58.3%

  ARC Prize leaderboard | ARC-AGI-2 is shown as supplementary evidence only and is not currently included in the PickAI Quality Score.

Best if your work involves genuinely hard problems ? deep research, complex code, or legal and financial analysis ? where accuracy matters more than speed.

Claude Opus 4.6 is Anthropic's most powerful AI assistant, released in February 2026. It stands out for its depth of reasoning and its ability to handle long, complex tasks without losing focus. Users consistently describe conversations as feeling more like working with a thoughtful colleague than a chatbot. It excels at research, writing, legal and financial analysis, and summarising large volumes of information. It can read and work across very large documents in a single session - entire contracts, reports, or research archives at once. Independent reviewers rate it as the most capable model available for knowledge-intensive professional work. Considered the strongest choice for users who need careful, nuanced responses rather than just fast ones.

Best if you want near-flagship Claude performance for everyday coding, documents, and knowledge work without paying flagship prices.

Claude Sonnet 4.6 is Anthropic's everyday AI model, released in February 2026, and the default for all free and standard subscribers. It approaches Opus-level intelligence at a price point that makes it practical for far more tasks Anthropic - making it the best value option in the Claude lineup. It handles writing, research, document analysis, and everyday questions with impressive accuracy and speed. It can hold entire codebases, lengthy contracts, or dozens of research papers in a single session Eesel AI, and reasons effectively across all of it. Early users report near human-level capability in tasks like navigating complex spreadsheets or filling out multi-step web forms. Anthropic Best suited for users who want a fast, reliable, and highly capable AI assistant for daily personal or professional use without needing the deepest reasoning that Opus offers