• Home
  • Technology
  • Gaming
  • Entertainment
  • World & Business
  • Science
  • Sports
  • AI
HomeTechnologyGamingEntertainmentWorld & BusinessScienceSportsAI
    • HomeTechnologyGamingEntertainmentWorld & BusinessScienceSportsAI
    • Home
    • Technology
    • Gaming
    • Entertainment
    • World & Business
    • Science
    • Sports
    • AI
    AI
    Announcement

    Claude Opus 5.5 takes top spot on the Epoch Capabilities Index with a score of 167

    Epoch AI Research says Opus 5.5 narrowly leads GPT-6 Astra, while Sonnet 5.5 roughly matched Claude Fable 5.1.

    LA
    CH
    EA
    3 Sources, ,

    TLDR

    Epoch AI Research says Claude Opus 5.5 took the top spot on its Epoch Capabilities Index with a score of 167, narrowly ahead of GPT-6 Astra. It also says Claude Sonnet 5.5 roughly matched Claude Fable 5.1, which scored 165.

    Combined views

    76K

    3 Sources, first seen 3h ago

    1.1K likes

    Combined views

    76K

    3 Sources, first seen 3h ago

    1.1K likes
    3h ago
    first seen 3h ago
    88 comments
    122 saves
    54 reposts

    Sentiment

    Positive——Negative

    Summary

    Not enough discussion yet.

    No sentiment analysis available yet.

    Featured Source
    88 comments
    122 saves
    54 reposts

    Sentiment

    Positive——Negative

    Summary

    Not enough discussion yet.

    No sentiment analysis available yet.

    Today's Rank

    #12

    Today's Rank

    #12

    3 Sources

    @EpochAIResearchClaude Opus 5.5 has taken the top spot on the Epoch Capabilities Index (ECI) with a score of 167, narrowly ahead of GPT-6 Astra. Claude Sonnet 5.5 has roughly matched Claude Fable 5.1 (165).
    @scaling01RT @EpochAIResearch: Claude Opus 5.5 has taken the top spot on the Epoch Capabilities Index (ECI) with a score of 167, narrowly ahead of GP…
    @kimmonismus"Claude Sonnet 5.5 has roughly matched Claude Fable 5.1 (165)." Anthropics mid-size model (!) now matches it state of the art and probably the best model in the world within just a few months of release. I am so excited for Fable 5.5, you have no idea.

    3 Sources

    @EpochAIResearchClaude Opus 5.5 has taken the top spot on the Epoch Capabilities Index (ECI) with a score of 167, narrowly ahead of GPT-6 Astra. Claude Sonnet 5.5 has roughly matched Claude Fable 5.1 (165).
    @scaling01RT @EpochAIResearch: Claude Opus 5.5 has taken the top spot on the Epoch Capabilities Index (ECI) with a score of 167, narrowly ahead of GP…
    @kimmonismus"Claude Sonnet 5.5 has roughly matched Claude Fable 5.1 (165)." Anthropics mid-size model (!) now matches it state of the art and probably the best model in the world within just a few months of release. I am so excited for Fable 5.5, you have no idea.