Claude Opus 4 vs Gemini 2.5 Pro

Performance benchmarks + pricing comparison — updated April 2026

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForComplex architecture decisions, debugging hard bugs, research
Benchmark86/100

Gemini 2.5 Pro

Google

Google's most capable model. Strong coding, multimodal understanding, and very competitive pricing.

Input$1.25/M
Output$10.00/M
Context1M tokens
Best ForLong document analysis, coding, multimodal tasks

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioClaude Opus 4Gemini 2.5 ProSavings
Small Script (1K lines) $3.08 $0.34 Gemini 2.5 Pro saves $2.73 (89%)
Medium Feature (10K lines) $23.29 $2.44 Gemini 2.5 Pro saves $20.85 (90%)
Large Project (50K lines) $116.44 $12.19 Gemini 2.5 Pro saves $104.25 (90%)
Code Review (5K lines) $6.02 $0.47 Gemini 2.5 Pro saves $5.55 (92%)

Verdict

Gemini 2.5 Pro wins on both price and performance — $1.25/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models