TheoVexUnited States· released Jul 2026
TheoArca Magnus 5.1
Independent verification TBD. Internal evaluation pending.
TheoVex's deep-reasoning engine, served through Theo's governed gateway.
Available in Theo as Theo Arca Magnus
Theo orchestrates it for the steps it does best and always shows which engine answered.
Snapshot September 8, 2026
OpenCharts Index
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No internal run recorded yet
Hard-set score
TBD
Counted from third-party scores only. Internal runs never feed it.
Independent verification: TBD
No third-party publisher has scored this engine yet. OpenCharts has not recorded an internal run for it yet, so every benchmark below reads TBD. Internal scores are marked on every surface, rank in the same table, and never lead a spotlight. Read the internal protocol.
Scores
Every test, every source
The best published run per benchmark, the raw value as the publisher reports it, who produced the number, how close it comes to the best published result on that test, and where the model sits among every model scored on it. Percent scores are read above chance, Arena ratings as a win rate against the board leader, open-ended values on a log scale. A test with too few models to compare against is shown but not counted.
Top of the leaderboard
Compare with its neighbours.
The best models, ranked here, working inside Theo.
28 of the models on this page run inside Theo today. Theo picks the right one for each step and always shows which engine answered.