Model Comparison

Comparing 3 models side by side

OA

GPT-5.3 Codex

OpenAI

$0.09

per request

AN

Claude Sonnet 4.6

Anthropic

$0.10

per request

OA

GPT-5.4

OpenAI

$0.08

per request

Cheapest
10,000
5,000

Cost per Request

Context Window

Pricing Breakdown

MetricGPT-5.3 CodexClaude Sonnet 4.6GPT-5.4
Input Price$1.75/MTok$3.00/MTok$2.50/MTok
Output Price$14.00/MTok$15.00/MTok$10.00/MTok
Cached Input$0.17/MTok$0.30/MTok$0.25/MTok
Cost / Request$0.09$0.10$0.08
Daily (100 req)$8.75$10.50$7.50
Monthly (100 req/day)$262.50$315.00$225.00

Features & Capabilities

FeatureGPT-5.3 CodexClaude Sonnet 4.6GPT-5.4
Context Window400K1M272K
Max Output32K64K32K
CachingYesYesYes
Batch APIYesYesYes
VisionNoYesYes
Tool UseYesYesYes
Best For
codingsoftware engineeringcode review
codinggeneralbalanced
reasoninggeneralcoding