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.
Strongest Claude Opus model for coding, agents, and professional work
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Everyday Claude agent model for coding, planning, browsing, and general work
Claude model for creative writing, analysis, and controlled agent workflows
Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents
Default frontier GPT for coding, computer use, research, and knowledge work
Stronger Opus tier for advanced software work and high-stakes reasoning
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
Claude workhorse for coding agents, careful analysis, and production cost control
High-end Claude for difficult coding, planning, and slower expert reasoning
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
Long-lived GPT workhorse for coding, instruction following, and production apps
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1M | $5 | $25 | 2026-07-24 | |||
| GPT-5.6 Terraopenai/gpt-5.6-terra | 1.05M | $2 | $12 | 2026-07-09 | |||
| 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 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1M | $2 | $10 | 2026-06-30 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Opus 4.8anthropic/claude-opus-4-8 | 1M | $5 | $25 | 2026-05-28 | |||
| GPT-5.5openai/gpt-5.5 | 1.05M | $5 | $30 | 2026-04-23 | |||
| Claude Opus 4.7anthropic/claude-opus-4-7 | 1M | $5 | $25 | 2026-04-16 | |||
| 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 | |||
| Claude Sonnet 4.6anthropic/claude-sonnet-4-6 | 1M | $3 | $15 | 2026-02-17 | |||
| Claude Opus 4.6anthropic/claude-opus-4-6 | 1M | $5 | $25 | 2026-02-05 | |||
| 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 | |||
| GPT-4.1openai/gpt-4.1 | 1.04758M | $2 | $8 | 2025-04-14 |