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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).
Gemma 4 31B ITvsGPT-6 Astra
Send one prompt to every model and read the answers side by side, with speed and cost for each.
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Highlighted values are the best among your picks.
Gemma 4 31B ITGoogle· open weights Largest Gemma 4 instruction model for open, self-hosted chat and reasoning | GPT-6 AstraOpen AI GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation. | |
|---|---|---|
| Intelligence | ||
| Intelligence index | No score yet | 52.7 |
| Price | ||
| Input, $ per 1M | $0.14 | $10 |
| Output, $ per 1M | $0.40 | $50 |
| Typical message (500 in / 250 out) | $0.00017 | $0.0175 |
| Repeated input, cached | No discount | $1 · 10× cheaper |
| Prompts over 200K tokens | Same price | $20 / $75 |
| Limits | ||
| Context window | 262K | 1.05M |
| Longest answer | 131K tokens | 128K tokens |
| Knowledge cutoff | Not published | Apr 2026 |
| What it can take and do | ||
| Accepts | TextImagePDF | TextImagePDF |
| Reasoning effort | Fixed | Low · Med · High · X-high · Max |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Yes |
| Availability | ||
| Released | 2 Apr 2026 | 4 Sept 2026 |
| Open weights | Yes, can self-host | No |
| API providers offering it | 40 | 34 |