Claude 3 Opus vs Gemini 1.5 Pro

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Opus

Anthropic

First generation Opus. Highest reasoning capability in the Claude 3 family.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForDeep analysis, complex coding tasks
Benchmark78/100

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 3 OpusGemini 1.5 ProSavings
Small Script (1K lines) $2.77 $0.19 Gemini 1.5 Pro saves $2.58 (93%)
Medium Feature (10K lines) $20.25 $1.44 Gemini 1.5 Pro saves $18.81 (93%)
Large Project (50K lines) $101.25 $7.19 Gemini 1.5 Pro saves $94.06 (93%)
Code Review (5K lines) $4.50 $0.34 Gemini 1.5 Pro saves $4.16 (92%)

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