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

Next to GPT-6 Astra
Presets
GPT-6 Astra
197186–209
WeightsClosed
ReleasedSep 2026
Price in / out$10 / $50
Context1.05M
Core tests taken5 of 8
Grok 4.7
~178estimated
WeightsClosed
ReleasedSep 2026
Price in / out$2.0 / $6.0
Context500K
Core tests taken–

GPT-6 Astra leads Grok 4.7 by 20 points, at 6.7× the price (one score is an estimate).

Test by testindependent results · Epoch AI

GPT-6 AstraGrok 4.7

These models share no independent tests yet.

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.