GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Default frontier GPT for coding, computer use, research, and knowledge work
Strong small GPT for coding subagents, quick tool use, and high-volume work
Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
Agent-ready GPT for coding and computer-use workflows at a lower cost
More exact GPT-5.4 tier for demanding professional reasoning and agent tasks
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows
Code-specialist GPT for repository edits, reviews, and long-running software agents
Codex GPT for repository edits, code review, and practical software agents
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
Small GPT-5 for responsive agents, coding help, and everyday automation
Fast o-series model for compact reasoning, coding, and tool use
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Long-lived GPT workhorse for coding, instruction following, and production apps
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
Affordable GPT-4.1 lane for fast coding help and structured extraction
O-series reasoning model for hard analysis, math, coding, and planning
O-series reasoning model for hard analysis, math, coding, and planning
GPT model for general reasoning, writing, coding, and tool-assisted tasks
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Small omni GPT for cheap multimodal assistance and production-scale traffic
Research model for long-horizon investigation, synthesis, and analytical reports
Research model for long-horizon investigation, synthesis, and analytical reports
Omni-era GPT for multimodal chat, practical coding, and general assistants
Compact GPT model for low-latency assistance and high-volume workloads
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | 1.05M | $10 | $50 | 2026-09-04 | |||
| GPT-5.6 Lunaopenai/gpt-5.6-luna | 1.05M | $0.2 | $1.2 | 2026-07-09 | |||
| GPT-5.6 Terraopenai/gpt-5.6-terra | 1.05M | $2 | $12 | 2026-07-09 | |||
| GPT-5.6 Solopenai/gpt-5.6-sol | 1.05M | $4 | $20 | 2026-07-09 | |||
| GPT-5.5openai/gpt-5.5 | 1.05M | $5 | $30 | 2026-04-23 | |||
| GPT-5.4 miniopenai/gpt-5.4-mini | 400K | $0.75 | $4.5 | 2026-03-17 | |||
| GPT-5.4 nanoopenai/gpt-5.4-nano | 400K | $0.2 | $1.25 | 2026-03-17 | |||
| GPT-5.4openai/gpt-5.4 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| GPT-5.4 Proopenai/gpt-5.4-pro | 1.05M | $30 | $180 | 2026-03-05 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 400K | $1.75 | $14 | 2026-02-05 | |||
| GPT-5.2openai/gpt-5.2 | 400K | $1.75 | $14 | 2025-12-11 | |||
| GPT-5.2 Proopenai/gpt-5.2-pro | 400K | $21 | $168 | 2025-12-11 | |||
| GPT-5.2 Codexopenai/gpt-5.2-codex | 400K | $0.14 | $1.14 | 2025-12-11 | |||
| GPT-5.1 Codexopenai/gpt-5.1-codex | 400K | $1.07 | $8.5 | 2025-11-13 | |||
| GPT-5.1 Codex Maxopenai/gpt-5.1-codex-max | 400K | $1.1 | $9 | 2025-11-13 | |||
| GPT-5.1 Codex miniopenai/gpt-5.1-codex-mini | 400K | $0.22 | $1.8 | 2025-11-13 | |||
| GPT-5.1openai/gpt-5.1 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5 Proopenai/gpt-5-pro | 400K | $15 | $120 | 2025-10-06 | |||
| GPT-5-Codexopenai/gpt-5-codex | 400K | $1.1 | $9 | 2025-09-15 | |||
| GPT-5openai/gpt-5 | 400K | $1.25 | $10 | 2025-08-07 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 400K | $0.05 | $0.4 | 2025-08-07 | |||
| GPT-5 Miniopenai/gpt-5-mini | 400K | $0.25 | $2 | 2025-08-07 | |||
| o4-miniopenai/o4-mini | 200K | $1.1 | $4.4 | 2025-04-16 | |||
| o3openai/o3 | 200K | $2 | $8 | 2025-04-16 | |||
| GPT-4.1openai/gpt-4.1 | 1.04758M | $2 | $8 | 2025-04-14 | |||
| GPT-4.1 nanoopenai/gpt-4.1-nano | 1.04758M | $0.1 | $0.4 | 2025-04-14 | |||
| GPT-4.1 miniopenai/gpt-4.1-mini | 1.04758M | $0.4 | $1.6 | 2025-04-14 | |||
| o1-proopenai/o1-pro | 200K | $150 | $600 | 2025-03-19 | |||
| o1openai/o1 | 200K | $15 | $60 | 2024-12-05 | |||
| GPT-4o (2024-11-20)openai/gpt-4o-2024-11-20 | 128K | $2.5 | $10 | 2024-11-20 | |||
| GPT-4o (2024-08-06)openai/gpt-4o-2024-08-06 | 128K | $2.5 | $10 | 2024-08-06 | |||
| GPT-4o miniopenai/gpt-4o-mini | 128K | $0.15 | $0.6 | 2024-07-18 | |||
| o4-mini-deep-researchopenai/o4-mini-deep-research | 200K | $1.8 | $7.2 | 2024-06-26 | |||
| o3-deep-researchopenai/o3-deep-research | 200K | $9 | $36 | 2024-06-26 | |||
| GPT-4oopenai/gpt-4o | 128K | $2.5 | $10 | 2024-05-13 | |||
| GPT-4 Turboopenai/gpt-4-turbo | 128K | $10 | $30 | 2023-11-06 |