Claude Sonnet 4.5 vs GPT-5.2

Compare Anthropic and OpenAI AI models

Anthropic
Claude Sonnet 4.5
vs
OpenAI
GPT-5.2
Try Anthropic →Try OpenAI →

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Claude Sonnet 4.5

Per Request:$0.0105
Daily:$1.05
Monthly:$31.50
Yearly:$383.25

GPT-5.2

Per Request:$0.008750
Daily:$0.875
Monthly:$26.25
Yearly:$319.375

Cost Differences

$0.001750
Per Request
$0.175
Daily
$5.25
Monthly
$63.875
Yearly

GPT-5.2 costs less than Claude Sonnet 4.5

Feature Comparison

FeatureClaude Sonnet 4.5GPT-5.2
ProviderAnthropicOpenAI
Input Price$3.00/1M tokens$14.00/1M tokens
Output Price$15.00/1M tokens$14.00/1M tokens
Context Window200,000 tokens1,000,000 tokens
Max Output64,000 tokens131,072 tokens
Categorybalancedflagship
Capabilities
textvisioncode
textvisionaudiocodereasoning
Release Date9/29/20251/15/2026

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Claude Sonnet 4.5 (Anthropic)

Cost Calculator

Select a provider and model to see costs

GPT-5.2 (OpenAI)

Cost Calculator

Select a provider and model to see costs