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AnthropicClaude Opus 4.8VSDeepSeekDeepSeek V4 Pro

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

We recommend Claude Opus 4.8 if you need peak intelligence for reasoning and coding tasks, or the 4.6x cheaper DeepSeek V4 Pro to optimize your budget for high-volume pipelines. While Claude Opus 4.8 holds a clear performance lead, it carries a heavy price premium. Choose Claude Opus 4.8 for complex logic, or DeepSeek V4 Pro for budget efficiency.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Benchmarks: Both models were evaluated on the SWE-bench Pro benchmark. Claude Opus 4.8 scored 69.2%, while DeepSeek V4 Pro scored 52.1%.
  • Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Claude Opus 4.8 scored 93.6%, while DeepSeek V4 Pro scored 88%.
  • Cost Efficiency: DeepSeek V4 Pro pricing ($1.74/M input, $3.48/M output) is 4.6x cheaper than Claude Opus 4.8 ($5/M input, $25/M output).
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    Model Specs

    Claude Opus 4.8

    Website

    Benchmarks & Scores

    Coding (swe-bench-pro)Winner (+17.1%)
    69.2%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+5.6%)
    93.6%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $10.00Input: $5.00 | Output: $25.00
    Context Window
    1.05M tokens
    Model Specs

    DeepSeek V4 Pro

    Open SourceAPI Available
    Website🤗HF

    Benchmarks & Scores

    Coding (swe-bench-pro)
    52.1%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)
    88%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)4.6x cheaper
    $2.17Input: $1.74 | Output: $3.48
    Context Window
    1.05M tokens
    Read our data collection methodology

    Frequently Asked Questions about Claude Opus 4.8 vs DeepSeek V4 Pro

    DeepSeek V4 Pro is cheaper than Claude Opus 4.8. DeepSeek V4 Pro has a blended cost of $2.17/1M tokens, which is about 4.6x cheaper than Claude Opus 4.8 at $10.00/1M tokens.

    Claude Opus 4.8 is better for coding tasks on this benchmark. It scores 69.2% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning) compared to DeepSeek V4 Pro which scores 52.1%.

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