Claude 3 Opus vs Claude Opus 4.8

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Claude Opus 4.8 by Anthropic wins on 4 of 4 benchmarks against Claude 3 Opus by Anthropic, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Reasoning: In reasoning, Claude Opus 4.8 scores 89.6% on GPQA Diamond compared to Claude 3 Opus's 59.4%.

Context: In context, Claude Opus 4.8 scores 1.0M on Context Length compared to Claude 3 Opus's 200K.

Pricing Comparison

Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Claude Opus 4.8 costs $5.0/1M input and $25.0/1M output. Claude Opus 4.8 is the more affordable option for API usage.

Verdict

Claude Opus 4.8 leads across the board in affordability, making it the stronger overall choice in this comparison.

Claude 3 Opus vs Claude Opus 4.8 — FAQ

Which is better, Claude 3 Opus or Claude Opus 4.8?

Claude Opus 4.8 wins on more benchmarks overall (4 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude 3 Opus compare to Claude Opus 4.8 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Claude 3 Opus cheaper than Claude Opus 4.8?

Yes, Claude Opus 4.8 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Claude Opus 4.8 costs $5.0/1M input and $25.0/1M output tokens.

Which is faster, Claude 3 Opus or Claude Opus 4.8?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the Claude 3 Opus vs Claude Opus 4.8 comparison cover?

This comparison covers 4 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.