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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).
Gemini 3.8 FlashvsGLM 5.3
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.
Gemini 3.8 FlashGoogle Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows | GLM 5.3Z.ai· open weights Flagship GLM model for long-horizon coding, agents, and complex project delivery | |
|---|---|---|
| Intelligence | ||
| Intelligence index | 40.9 | 44.8 |
| Price | ||
| Input, $ per 1M | $0.75 | $1.40 |
| Output, $ per 1M | $3.75 | $4.40 |
| Typical message (500 in / 250 out) | $0.0013 | $0.0018 |
| Repeated input, cached | $0.07 · 10× cheaper | $0.14 · 10× cheaper |
| Prompts over 200K tokens | Same price | Same price |
| Limits | ||
| Context window | 1.05M | 1M |
| Longest answer | 66K tokens | 1M tokens |
| Knowledge cutoff | Not published | Not published |
| What it can take and do | ||
| Accepts | TextImagePDFAudioVideo | Text |
| Reasoning effort | Low · Med · High | Low · High · Max |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Yes |
| Availability | ||
| Released | 2 Sept 2026 | 14 Aug 2026 |
| Open weights | No | Yes, can self-host |
| API providers offering it | 28 | 83 |