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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).
Claude Sonnet 5.5vsQwen3.8 27B
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.
Claude Sonnet 5.5AnthropicNEW Fast Claude model for everyday coding, agents, and knowledge work | Qwen3.8 27BAlibaba· open weights Qwen vision-language model for visual reasoning, documents, and agent tasks | |
|---|---|---|
| Intelligence | ||
| Intelligence index | 56 | 33.7 |
| Price | ||
| Input, $ per 1M | $2 | $0.50 |
| Output, $ per 1M | $10 | $3 |
| Typical message (500 in / 250 out) | $0.0035 | $0.0010 |
| Repeated input, cached | $0.10 · 20× cheaper | $0.10 · 5× cheaper |
| Prompts over 200K tokens | Same price | Same price |
| Limits | ||
| Context window | 1M | 1M |
| Longest answer | 128K tokens | 131K tokens |
| Knowledge cutoff | Jun 2026 | Not published |
| What it can take and do | ||
| Accepts | TextImagePDF | TextImagePDF |
| Reasoning effort | Low · Med · High · X-high · Max | Off · Low · Med · X-high |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Yes |
| Availability | ||
| Released | 28 Sept 2026 | 14 Aug 2026 |
| Open weights | No | Yes, can self-host |
| API providers offering it | 33 | 46 |