7 models
Ranked by SWE-Bench Pro
Reasoning Tools JSON 59.1

Agent-ready GPT for coding and computer-use workflows at a lower cost

openai/gpt-5.4 2026-03-05 1.05M context $2.5/M input $15/M output
42 providers
Reasoning Tools JSON 58.6

Default frontier GPT for coding, computer use, research, and knowledge work

openai/gpt-5.5 2026-04-23 1.05M context $5/M input $30/M output
46 providers
Reasoning Tools JSON 54.4

Strong small GPT for coding subagents, quick tool use, and high-volume work

openai/gpt-5.4-mini 2026-03-17 400K context $0.75/M input $4.5/M output
31 providers
Reasoning Tools JSON 52.4

Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation

openai/gpt-5.4-nano 2026-03-17 400K context $0.2/M input $1.25/M output
27 providers
Tools 41.8

Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

openai/gpt-5 2025-08-07 400K context $1.25/M input $10/M output
30 providers
Reasoning Tools JSON 41.0

Code-specialist GPT for repository edits, reviews, and long-running software agents

openai/gpt-5.2-codex 2025-12-11 400K context $0.14/M input $1.14/M output
23 providers
Reasoning Tools 29.9

Reliable GPT generation for broad coding, writing, and tool-assisted product work

openai/gpt-5.2 2025-12-11 400K context $1.75/M input $14/M output
33 providers