GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
18 providers
Model catalog
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
36 providers
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
36 providers
Balanced GPT-5.6 model for capable, cost-efficient everyday work
35 providers
Default frontier GPT for coding, computer use, research, and knowledge work
46 providers
Agent-ready GPT for coding and computer-use workflows at a lower cost
42 providers
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | OpenAI |
1.05M | $10 | $50 | 2026-09-04 | ||
| GPT-5.6 Lunaopenai/gpt-5.6-luna | OpenAI |
1.05M | $0.2 | $1.2 | 2026-07-09 | ||
| GPT-5.6 Solopenai/gpt-5.6-sol | OpenAI |
1.05M | $4 | $20 | 2026-07-09 | ||
| GPT-5.6 Terraopenai/gpt-5.6-terra | OpenAI |
1.05M | $2 | $12 | 2026-07-09 | ||
| GPT-5.5openai/gpt-5.5 | OpenAI |
1.05M | $5 | $30 | 2026-04-23 | ||
| GPT-5.4openai/gpt-5.4 | OpenAI |
1.05M | $2.5 | $15 | 2026-03-05 |