The Model Index
Up to four models

Compare

Side by side on the same independent tests, with price and context. The link in your address bar shares this exact comparison.

Next to Gemini 3.8 Flash
Presets
Gemini 3.8 Flash
170159–182
WeightsClosed
ReleasedSep 2026
Price in / out$0.75 / $3.75
Context1.05M
Core tests taken4 of 8
Muse Spark 1.3
170159–182
WeightsClosed
ReleasedSep 2026
Price in / out$1.25 / $4.25
Context1.05M
Core tests taken2 of 8

Gemini 3.8 Flash and Muse Spark 1.3 are too close to call (0 points apart, within the uncertainty), ahead on 1 of 2 shared core tests, and costs 1.3× less.

Test by testindependent results · Epoch AI

Gemini 3.8 FlashMuse Spark 1.3

Only tests that at least two of these models have taken. Bold rows are the core tests shown on every profile; all of these results inform the index score. Task length (METR) is listed below the chart because it is a duration, not a percentage.