Reasoning
Mathematical and scientific problem solving.
Model profile / Google
Gemini 3.8 Live Extended Thinking. Input limit 131,072 is not relabelled as total context. Catalogue only; no new Voice navigation or score.
Four areas of evidence
Mathematical and scientific problem solving.
Software engineering and programming.
Factual reliability and instruction following.
Tool use, workflows and professional tasks.
Current index snapshot · 2026-09-16. Each category uses its own scale; scores across categories are not directly comparable. Counts describe published catalogue evidence. A point lead does not establish superiority.
Performance in context
Gemini 3.8 Live Extended Thinking has no current Capabilities rating. Explore the rated models below.
Lumina Capabilities Index
The current Capabilities cohort, with available operational measurements.
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Lumina Capabilities Index
The current Capabilities cohort, with available operational measurements.
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Explore the detail
No current index estimate. Available benchmark measurements and source records are retained below.
| Benchmark | Result | Published configuration | Source |
|---|---|---|---|
| No matching measurements. Try another search. | |||
No specialist task observations retained for this model.