Compare

GPT-4o vs Claude Sonnet 4.5

GPT-4o is 31% cheaper overall
GPT-4o
OpenAI
Input/1M$2.5000
Output/1M$10.0000
1K calls$6.00
VS
Claude Sonnet 4.5
Anthropic
Input/1M$3.0000
Output/1M$15.0000
1K calls$8.40

Monthly Cost Comparison

Usage Level GPT-4o Claude Sonnet 4.5 Savings
Light (100 calls/day) $9.75 $13.50 Save $3.75 with GPT-4o
Medium (1K calls/day) $180.00 $252.00 Save $72.00 with GPT-4o
Heavy (10K calls/day) $2,250.00 $3,150.00 Save $900.00 with GPT-4o
Enterprise (100K/day) $27,000.00 $37,800.00 Save $10,800.00 with GPT-4o

Cost Ratio (10K calls/month)

GPT-4o $60.00
Claude Sonnet 4.5 $84.00

Frequently Asked Questions

Is GPT-4o or Claude Sonnet 4.5 cheaper?

GPT-4o is 31% cheaper overall. GPT-4o costs $2.5/M input vs Claude Sonnet 4.5 at $3/M input.

How much does 10,000 API calls cost with GPT-4o vs Claude Sonnet 4.5?

At 800 input + 400 output tokens per call: GPT-4o costs $60.00 and Claude Sonnet 4.5 costs $84.00.

Can I switch between GPT-4o and Claude Sonnet 4.5 easily?

With a proxy like Tokonomics, switching is a one-line config change. Route different features to different models and track costs per model automatically.

Track costs for both models in one dashboard

Tokonomics monitors GPT-4o, Claude Sonnet 4.5, and 60+ other models. Set budget alerts per model, per feature, per team.

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