Claude Sonnet 4 vs Gemini 2.5 Pro
Side-by-side API pricing and capability comparison
Anthropic
Claude Sonnet 4
Best balance of intelligence and speed. Ideal for agentic workflows, coding, and data analysis.
Input /1M
$3.00
Output /1M
$15.00
Context
200K
Tier
efficient
Prompt caching: $0.300/1M input
Full Claude Sonnet 4 pricing →Gemini 2.5 Pro
Google's most capable model with 1M token context — leads benchmarks in coding and reasoning.
Input /1M
$1.25
Output /1M
$10.00
Context
1M
Tier
frontier
Monthly Cost Comparison
| Usage scenario | Claude Sonnet 4 | Gemini 2.5 Pro | Cheaper by |
|---|---|---|---|
Light usage 50K in + 20K out /day | $13.50 | $7.88 | Gemini 2.5 Pro 42% cheaper |
Medium usage 500K in + 150K out /day | $112.50 | $63.75 | Gemini 2.5 Pro 43% cheaper |
Heavy usage 3000K in + 1000K out /day | $720.00 | $412.50 | Gemini 2.5 Pro 43% cheaper |
Feature Comparison
Vision / Multimodal
Yes
Yes
Extended reasoning
Yes
Yes
Prompt caching
Yes
No
200K context
Vision
Extended thinking
Tool use
Batch API
1M context
When to Use Each
Choose Claude Sonnet 4 when:
- You prefer Anthropic's ecosystem and tooling
Choose Gemini 2.5 Pro when:
- Cost efficiency is critical — 58% cheaper input
- You need a larger context window (1000K vs 200K)
- You prefer Google's ecosystem and tooling