Claude Opus 5.5 vs Gemini 4 Argon
A direct, empirical evaluation of Claude Opus 5.5 (Anthropic) against Gemini 4 Argon (Google DeepMind).
Claude Opus 5.5
Developed by Anthropic · Proprietary Frontier Reasoner parameters
Autonomous enterprise codebase migrations, GitHub Copilot multi-file edits, SWE-bench Pro issue resolution (89.9%), and CodeRabbit automated reviews.
Gemini 4 Argon
Developed by Google DeepMind · Frontier Coding & Security Engine on TPU v6e Ironclad parameters
Automated GitHub issue resolution (78.4% SWE-bench Verified), cybersecurity exploit auditing (91.4% CyberSecBench), 2M token context buffer, and aggressive $1.20/$4.80 API pricing.
| Metric | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|
| SWE-bench Verified | 89.9% | 78.4% |
| MMLU-Pro | 92.4% | 93.6% |
| MATH-500 | 97.2% | 97.6% |
| Context Window | 500,000 tokens | 2,000,000 tokens |
| Input Pricing (per 1M) | $4.00 | $1.20 |
| Output Pricing (per 1M) | $20.00 | $4.80 |