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Anthropic: Claude Opus 4.7 vs OpenAI: GPT-5.5

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

▸ verdict
Anthropic: Claude Opus 4.7
95.4
higher score
vs
OpenAI: GPT-5.5
91.1
Anthropic: Claude Opus 4.7 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 Opus 4.7OpenAI: GPT-5.5Δ
Overall95.491.1+4.3
Coding73.2
Reasoning68.378.4-10.1
Math
Writing88.7
JSON
▸ specs & pricing
AttributeAnthropic: Claude Opus 4.7OpenAI: GPT-5.5
ProviderAnthropicOpenai
Context window1M1M
Input $/M tokens$5.00/M$5.00/M
Output $/M tokens$25.00/M$30.00/M
Weightsproprietaryproprietary
▸ frequently asked

Is Anthropic: Claude Opus 4.7 better than OpenAI: GPT-5.5?

Anthropic: Claude Opus 4.7 scores higher overall (95.4 vs 91.1) in the benchmark composite. The best choice depends on the specific use case and budget.

Which is cheaper: Anthropic: Claude Opus 4.7 or OpenAI: GPT-5.5?

Both models are priced equally at $5/M input tokens.

Which model is better for coding?

Both models perform similarly on coding benchmarks (SWE-Bench, Aider Polyglot, LiveCodeBench).