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Anthropic: Claude Sonnet 4.6 vs Anthropic: Claude Opus 4.5

Side-by-side benchmark comparison based on independent public data. Scores, pricing, context, and task breakdown.

▸ verdict
Anthropic: Claude Sonnet 4.6
88.7
higher score
vs
Anthropic: Claude Opus 4.5
86.3
Anthropic: Claude Sonnet 4.6 leads with a higher composite benchmark score. It's the stronger choice for general-purpose tasks based on public benchmark data.
▸ score breakdown
TaskAnthropic: Claude Sonnet 4.6Anthropic: Claude Opus 4.5Δ
Overall88.786.3+2.4
Coding56.569.1-12.6
Reasoning68.171.8-3.7
Math
Writing84.8
JSON46.1
▸ specs & pricing
AttributeAnthropic: Claude Sonnet 4.6Anthropic: Claude Opus 4.5
ProviderAnthropicAnthropic
Context window1M200K
Input $/M tokens$3.00/M$5.00/M
Output $/M tokens$15.00/M$25.00/M
Weightsproprietaryproprietary
▸ frequently asked

Is Anthropic: Claude Sonnet 4.6 better than Anthropic: Claude Opus 4.5?

Anthropic: Claude Sonnet 4.6 scores higher overall (88.7 vs 86.3) in the benchmark composite. The best choice depends on the specific use case and budget.

Which is cheaper: Anthropic: Claude Sonnet 4.6 or Anthropic: Claude Opus 4.5?

Anthropic: Claude Sonnet 4.6 is cheaper at $3/M input tokens vs $5/M for Anthropic: Claude Opus 4.5.

Which model is better for coding?

Anthropic: Claude Opus 4.5 leads on coding with a score of 69.1 vs 56.5 for Anthropic: Claude Sonnet 4.6. This is based on SWE-Bench, Aider Polyglot, and LiveCodeBench data.