Anthropic Claude Opus 4.8 VS OpenAI GPT-5.6 Sol
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, Claude Opus 4.8 is the premium intelligence choice, scoring 4.6% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GPT-5.6 Sol offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Claude Opus 4.8 fully justifies the cost.
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Model Specs
Claude Opus 4.8
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+4.6%)
69.2%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
93.6%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)1.1x cheaper
$10.00Input: $5.00 | Output: $25.00Context Window
1M tokensModel Specs
GPT-5.6 Sol
Benchmarks & Scores
Coding (swe-bench-pro)
64.6%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+1.0%)
94.6%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Context WindowLarger
1.05M tokensFrequently Asked Questions about Claude Opus 4.8 vs GPT-5.6 Sol comparison
Claude Opus 4.8 is cheaper than GPT-5.6 Sol. Claude Opus 4.8 has a blended cost of $10.00/1M tokens, which is about 1.1x cheaper than GPT-5.6 Sol at $11.25/1M tokens.
Claude Opus 4.8 is better for coding tasks on this benchmark. It scores 69.2% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to GPT-5.6 Sol which scores 64.6%.
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