3 models
Ranked by Artificial Analysis Coding Index
Reasoning Tools JSON 38.9

Coding-optimized GPT model for repository edits, reviews, and agentic software work

openai/gpt-5-codex 2025-09-15 400K context $1.1/M input $9/M output
13 providers
21.5

Compact GPT model for low-latency assistance and high-volume workloads

openai/gpt-4-turbo 2023-11-06 128K context $10/M input $30/M output
15 providers
10.7

Compact GPT model for low-latency assistance and high-volume workloads

openai/gpt-3.5-turbo 2023-03-01 16.385K context $0.5/M input $1.5/M output
13 providers