Pick models to compare
Click a model to add it, then ask your question below.
Intelligence: the Artificial Analysis Intelligence Index at each model's highest effort. Models without a score yet sit in the lane under the chart, placed by price. Lines at $2 blended and the median score (39.5).
GPT-6 AstravsGPT OSS 120B
Send one prompt to every model and read the answers side by side, with speed and cost for each.
Shareable link:
Before you run
Highlighted values are the best among your picks.
GPT-6 AstraOpen AI GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation. | GPT OSS 120BOpen AI· open weights Open GPT reasoning model for self-hosted agents and controllable deployments | |
|---|---|---|
| Intelligence | ||
| Intelligence index | 52.7 | 11.6 |
| Price | ||
| Input, $ per 1M | $10 | $0.10 |
| Output, $ per 1M | $50 | $0.50 |
| Typical message (500 in / 250 out) | $0.0175 | $0.00017 |
| Repeated input, cached | $1 · 10× cheaper | $0.10 |
| Prompts over 200K tokens | $20 / $75 | Same price |
| Limits | ||
| Context window | 1.05M | 131K |
| Longest answer | 128K tokens | 131K tokens |
| Knowledge cutoff | Apr 2026 | Not published |
| What it can take and do | ||
| Accepts | TextImagePDF | Text |
| Reasoning effort | Low · Med · High · X-high · Max | Low · Med · High |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Yes |
| Availability | ||
| Released | 4 Sept 2026 | 5 Aug 2025 |
| Open weights | No | Yes, can self-host |
| API providers offering it | 34 | 44 |