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2026-07-17 18:29:21 -04:00

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Grok 4.5 quality results

Model: grok-4.5 through the Codex Responses provider. Image calls bypassed pxpipe and used the production 5×8 profile.

test text production image notes
novel arithmetic, N=100 100/100 82/100 pure image 83/100
gist recall 98/98 83/98 no transport errors
state tracking 18/18 13/18 subset of the gist corpus
never-stated guards 0/16 confabulated 0/16 confabulated lower is better
dense 12-char hex 15/15 0/15 all calls completed after retrying transient upstream failures

Novel-arithmetic input usage was recovered from the provider log for the same N=100 run: 25,400 text tokens and 27,100 production-image tokens, +6.7%. The README rounds this to +7%. This short workload costs more as images.

Receipts:

  • ../sol-profile/model-grok-4.5-novel-arithmetic-results.json
  • ../sol-profile/gist-recall-grok-4.5-results.json
  • ../sol-profile/gist-recall-grok-4.5-text-results.json
  • ../sol-profile/verbatim-hex-grok-4.5-results.json
  • ../sol-profile/verbatim-hex-grok-4.5-text-results.json

Grok remains opt-in because arithmetic, gist, state tracking, and dense exact recall are below the Fable bar. The completed hex rerun used an 8,192-token output cap so mandatory reasoning could not consume the final answer budget.