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
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
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
Code-specialist GPT for repository edits, reviews, and long-running software agents
Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Codex GPT for repository edits, code review, and practical software agents
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning
Small GPT-5 for responsive agents, coding help, and everyday automation
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
High-effort o3 tier for difficult technical reasoning and careful answers
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Fast o-series model for compact reasoning, coding, and tool use
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
Long-lived GPT workhorse for coding, instruction following, and production apps
Affordable GPT-4.1 lane for fast coding help and structured extraction
O-series reasoning model for hard analysis, math, coding, and planning
Smaller o-series reasoner for economical coding, math, and planning tasks
O-series reasoning model for hard analysis, math, coding, and planning
| 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 Solopenai/gpt-5.6-sol | 1.05M | $4 | $20 | 2026-07-09 | |||
| GPT-5.6 Terraopenai/gpt-5.6-terra | 1.05M | $2 | $12 | 2026-07-09 | |||
| GPT-5.5 Proopenai/gpt-5.5-pro | 1.05M | $30 | $180 | 2026-04-23 | |||
| 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 Codexopenai/gpt-5.2-codex | 400K | $0.14 | $1.14 | 2025-12-11 | |||
| GPT-5.2 Proopenai/gpt-5.2-pro | 400K | $21 | $168 | 2025-12-11 | |||
| GPT-5.1openai/gpt-5.1 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5.1 Codex Maxopenai/gpt-5.1-codex-max | 400K | $1.1 | $9 | 2025-11-13 | |||
| GPT-5.1 Codexopenai/gpt-5.1-codex | 400K | $1.07 | $8.5 | 2025-11-13 | |||
| GPT-5.1 Codex miniopenai/gpt-5.1-codex-mini | 400K | $0.22 | $1.8 | 2025-11-13 | |||
| GPT-5 Proopenai/gpt-5-pro | 400K | $15 | $120 | 2025-10-06 | |||
| GPT-5 Miniopenai/gpt-5-mini | 400K | $0.25 | $2 | 2025-08-07 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 400K | $0.05 | $0.4 | 2025-08-07 | |||
| GPT-5openai/gpt-5 | 400K | $1.25 | $10 | 2025-08-07 | |||
| o3-proopenai/o3-pro | 200K | $20 | $80 | 2025-06-10 | |||
| o3openai/o3 | 200K | $2 | $8 | 2025-04-16 | |||
| o4-miniopenai/o4-mini | 200K | $1.1 | $4.4 | 2025-04-16 | |||
| GPT-4.1 nanoopenai/gpt-4.1-nano | 1.04758M | $0.1 | $0.4 | 2025-04-14 | |||
| GPT-4.1openai/gpt-4.1 | 1.04758M | $2 | $8 | 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 | |||
| o3-miniopenai/o3-mini | 200K | $1.1 | $4.4 | 2024-12-20 | |||
| o1openai/o1 | 200K | $15 | $60 | 2024-12-05 |