Claude Opus 4.8 vs DeepSeek V3.1
Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.
Large hybrid reasoning model supporting thinking and non-thinking modes.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Opus 4.8 vs DeepSeek V3.1▼
Which is better, Claude Opus 4.8 or DeepSeek V3.1?
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Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 71.6). 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 DeepSeek V3.1?
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DeepSeek V3.1 has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. DeepSeek V3.1: $0.21 input / $0.79 output.
Which has a larger context window, Claude Opus 4.8 or DeepSeek V3.1?
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Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs DeepSeek V3.1 at 164K tokens.
Do both Claude Opus 4.8 and DeepSeek V3.1 support vision?
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Claude Opus 4.8 supports vision/image input, but DeepSeek V3.1 does not.
What are the key differences between Claude Opus 4.8 and DeepSeek V3.1?
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Key differences: Claude Opus 4.8 has a notably higher capability index (17.6 point gap); DeepSeek V3.1 is significantly cheaper; only Claude Opus 4.8 supports vision input. 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 DeepSeek V3.1 for free on idapt.app to see which performs better for your specific needs.