Claude Opus 4 vs Gemini 1.5 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 1.5 Pro

Google

Previous generation Google pro model. Good for general tasks.

Input$1.25/M
Output$5.00/M
Context1M tokens
Best ForGeneral-purpose tasks, document analysis

Cost Comparison by Scenario

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

ScenarioClaude Opus 4Gemini 1.5 ProSavings
Small Script (1K lines) $3.08 $0.19 Gemini 1.5 Pro saves $2.88 (94%)
Medium Feature (10K lines) $23.29 $1.44 Gemini 1.5 Pro saves $21.85 (94%)
Large Project (50K lines) $116.44 $7.19 Gemini 1.5 Pro saves $109.25 (94%)
Code Review (5K lines) $6.02 $0.34 Gemini 1.5 Pro saves $5.67 (94%)

Verdict

Gemini 1.5 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