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Lech Mazur Writing

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Atlas snapshot captured 10/19/2026, 10:20:28 AM UTC. This is an import timestamp, not the evaluation date. Coverage may be incomplete.

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Lech Mazur Writing

Source
Lech Mazur via Epoch AI
Version
v1
Measurement date
Not reported
Metric
/10 · Higher is better
Evaluation scope
effort 16K · result date not supplied

Positions are withheld because at least one result lacks explicit independent provenance or a documented evaluation scope. Missing metadata is shown as unreported; matching imported metadata is not independent verification of the protocol.

  1. Claude Opus 4.1

    anthropic/claude-opus-4-1

    8.45/10

  2. Claude Opus 4

    anthropic/claude-opus-4

    8.36/10

  3. Claude Sonnet 4

    anthropic/claude-sonnet-4

    8.14/10

Lech Mazur Writing model results | VibeLeaderboard