Reasoning Tools JSON

GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.

openai/gpt-6-astra 2026-09-04 1.05M context $10/M input $50/M output
18 providers
Reasoning Tools JSON

Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

openai/gpt-5.6-sol 2026-07-09 1.05M context $4/M input $20/M output
36 providers
Reasoning Tools JSON

Cost-efficient GPT-5.6 model for fast, high-volume workloads

openai/gpt-5.6-luna 2026-07-09 1.05M context $0.2/M input $1.2/M output
36 providers
Reasoning Tools JSON

Balanced GPT-5.6 model for capable, cost-efficient everyday work

openai/gpt-5.6-terra 2026-07-09 1.05M context $2/M input $12/M output
35 providers
Reasoning Tools JSON

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

Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding

openai/gpt-5.5-pro 2026-04-23 1.05M context $30/M input $180/M output
18 providers
Reasoning Tools JSON

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

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

openai/gpt-5.3-codex 2026-02-05 400K context $1.75/M input $14/M output
28 providers
Reasoning Tools JSON

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

Affordable GPT-4.1 lane for fast coding help and structured extraction

openai/gpt-4.1-mini 2025-04-14 1.04758M context $0.4/M input $1.6/M output
25 providers
Tools JSON

Long-lived GPT workhorse for coding, instruction following, and production apps

openai/gpt-4.1 2025-04-14 1.04758M context $2/M input $8/M output
28 providers

Small omni GPT for cheap multimodal assistance and production-scale traffic

openai/gpt-4o-mini 2024-07-18 128K context $0.15/M input $0.6/M output
23 providers