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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).
GLM 5.3vsGPT-6 Luna
Send one prompt to every model and read the answers side by side, with speed and cost for each.
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Before you run
Highlighted values are the best among your picks.
GLM 5.3Z.ai· open weights Flagship GLM model for long-horizon coding, agents, and complex project delivery | GPT-6 LunaOpen AINEW OpenAI's most efficient model for focused, high-volume tasks | |
|---|---|---|
| Intelligence | ||
| Intelligence index | 44.8 | 38.1 |
| Price | ||
| Input, $ per 1M | $1.40 | $0.10 |
| Output, $ per 1M | $4.40 | $0.50 |
| Typical message (500 in / 250 out) | $0.0018 | $0.00017 |
| Repeated input, cached | $0.14 · 10× cheaper | $0.01 · 10× cheaper |
| Prompts over 200K tokens | Same price | $0.20 / $0.75 |
| Limits | ||
| Context window | 1M | 1.05M |
| Longest answer | 1M tokens | 128K tokens |
| Knowledge cutoff | Not published | May 2026 |
| What it can take and do | ||
| Accepts | Text | TextImagePDF |
| Reasoning effort | Low · High · Max | Off · Low · Med · High · X-high · Max |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Yes |
| Availability | ||
| Released | 14 Aug 2026 | 22 Sept 2026 |
| Open weights | Yes, can self-host | No |
| API providers offering it | 83 | 35 |