GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
35 providers
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
45 providers
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
21 providers
More exact GPT-5.4 tier for demanding professional reasoning and agent tasks
22 providers
Balanced GPT-5.6 model for capable, cost-efficient everyday work
42 providers
Everyday Claude agent model for coding, planning, browsing, and general work
43 providers
Default frontier GPT for coding, computer use, research, and knowledge work
50 providers
Cost-efficient GPT-5.6 model for fast, high-volume workloads
45 providers
Agent-ready GPT for coding and computer-use workflows at a lower cost
46 providers
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | OpenAI |
91.5 | 1.05M | $10 | $50 | 2026-09-04 | ||
| GPT-5.6 Solopenai/gpt-5.6-sol | OpenAI |
90.4 | 1.05M | $4 | $20 | 2026-07-09 | ||
| GPT-5.5 Proopenai/gpt-5.5-pro | OpenAI |
90.1 | 1.05M | $30 | $180 | 2026-04-23 | ||
| GPT-5.4 Proopenai/gpt-5.4-pro | OpenAI |
89.3 | 1.05M | $30 | $180 | 2026-03-05 | ||
| GPT-5.6 Terraopenai/gpt-5.6-terra | OpenAI |
87.5 | 1.05M | $2 | $12 | 2026-07-09 | ||
| Claude Sonnet 5anthropic/claude-sonnet-5 | Anthropic |
84.7 | 1M | $2 | $10 | 2026-06-30 | ||
| GPT-5.5openai/gpt-5.5 | OpenAI |
84.4 | 1.05M | $5 | $30 | 2026-04-23 | ||
| GPT-5.6 Lunaopenai/gpt-5.6-luna | OpenAI |
83.3 | 1.05M | $0.2 | $1.2 | 2026-07-09 | ||
| GPT-5.4openai/gpt-5.4 | OpenAI |
82.7 | 1.05M | $2.5 | $15 | 2026-03-05 |