Claude Opus 4.8 vs GPT 4o Mini
Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.
OpenAI's most advanced small model — fast and affordable.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Opus 4.8 vs GPT 4o Mini▼
Which is better, Claude Opus 4.8 or GPT 4o Mini?
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Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 60.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Claude Opus 4.8 or GPT 4o Mini?
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GPT 4o Mini has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. GPT 4o Mini: $0.15 input / $0.60 output.
Which has a larger context window, Claude Opus 4.8 or GPT 4o Mini?
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Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs GPT 4o Mini at 128K tokens.
Do both Claude Opus 4.8 and GPT 4o Mini support vision?
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Yes, both Claude Opus 4.8 and GPT 4o Mini support vision/image input.
What are the key differences between Claude Opus 4.8 and GPT 4o Mini?
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Key differences: Claude Opus 4.8 has a notably higher capability index (28.4 point gap); GPT 4o Mini is significantly cheaper; only Claude Opus 4.8 offers extended reasoning mode. Compare full specs on this page.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 4.8 and GPT 4o Mini for free on idapt.app to see which performs better for your specific needs.