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
Reasoning Tools JSON 32.0

Google's proven reasoning model for coding, math, and multimodal analysis

google/gemini-2.5-pro 2025-06-17 1.04858M context $1.25/M input $10/M output
29 providers
Reasoning Tools JSON 22.2

Fast Gemini workhorse for multimodal apps where latency and price matter

google/gemini-2.5-flash 2025-06-17 1.04858M context $0.3/M input $2.5/M output
30 providers