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.

GPT-5.6 TerraQwen3.8-Max
Next to GPT-5.6 Terra
Presets
GPT-5.6 Terra
178162–194
WeightsClosed
ReleasedJul 2026
Price in / out$2.0 / $12
Context1.05M
Core tests taken6 of 9
Qwen3.8-Max
170154–187
WeightsClosed
ReleasedAug 2026
Price in / out–
Context–
Core tests taken2 of 9

GPT-5.6 Terra leads Qwen3.8-Max by 8 points, ahead on 2 of 2 shared core tests.

Test by testindependent results

GPT-5.6 TerraQwen3.8-Max
0%25%50%75%100%REASONING & KNOWLEDGEGPQA Diamond (Epoch AI)GPQA Diamond (Epoch AI)SimpleQA VerifiedSimpleQA VerifiedMATHSFrontierMath (tiers 1-3)FrontierMath (tiers 1-3)AIME-style maths (OTIS mock)AIME-style maths (OTIS mock)Chess puzzlesChess puzzlesFrontierMath (tier 4)FrontierMath (tier 4)CODINGDeepSWEDeepSWEAGENTSDTBenchDTBenchLMCALMCAMystery game puzzlesMystery game puzzles

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.