Claude Opus 4 vs Mercury 2
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Opus 4 by Anthropic and Mercury 2 by Inception are evenly matched across 6 benchmarks. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, Claude Opus 4 scores 1171 on Design Arena ELO compared to Mercury 2's 1014, while Claude Opus 4 scores 1177 on Website Arena ELO compared to Mercury 2's 1036.
Context: In context, Claude Opus 4 scores 200K on Context Length compared to Mercury 2's 128K.
Pricing Comparison
Claude Opus 4 costs $15.0/1M input tokens and $75.0/1M output tokens, while Mercury 2 costs $0.25/1M input and $0.75/1M output. Mercury 2 is the more affordable option for API usage.
Verdict
Mercury 2 leads across the board in affordability, making it the stronger overall choice in this comparison.
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Claude Opus 4 vs Mercury 2 — FAQ
Which is better, Claude Opus 4 or Mercury 2?
Claude Opus 4 and Mercury 2 are evenly matched across benchmarks. The best choice depends on your specific priorities such as coding ability, speed, or pricing.
How does Claude Opus 4 compare to Mercury 2 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 Opus 4 cheaper than Mercury 2?
Yes, Mercury 2 is cheaper. Claude Opus 4 costs $15.0/1M input and $75.0/1M output tokens. Mercury 2 costs $0.25/1M input and $0.75/1M output tokens.
Which is faster, Claude Opus 4 or Mercury 2?
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 Opus 4 vs Mercury 2 comparison cover?
This comparison covers 6 benchmarks including Input Cost, Output Cost, Context Length, Cached Input Cost, Design Arena ELO, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.