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Claude Fable 5.2 scores high on intelligence index but is expensive

By PulseAugur Editorial · [2 sources] ·

Claude Fable 5.2 has achieved a score of 65 on the Artificial Analysis Intelligence Index, positioning it as a top-performing model. Despite its high intelligence, the model is noted for its expensive pricing, with input tokens costing $8.00 per 1M and output tokens at $40.00 per 1M. The model supports a 1M token context window and was released by Anthropic on November 9, 2026. AI

IMPACT Sets a new benchmark for intelligence scores, though its high cost may limit adoption.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Claude Fable 5.2 scores high on intelligence index but is expensive

How we ranked this

Signal score
18 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=2 ai=1.0]
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [2]

  1. HN — claude cli stories TIER_1 English(EN) · theanonymousone ·

    Claude Fable 5.2 Scores 65 on Artificial Analysis, Highest So Far

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    November 2026 Claude Fable 5.2 Scores 65 on Artificial Analysis, Highest So Far https:// artificialanalysis.ai/models/c laude-fable-5-2 # ai # claude

    November 2026 Claude Fable 5.2 Scores 65 on Artificial Analysis, Highest So Far https:// artificialanalysis.ai/models/c laude-fable-5-2 # ai # claude

    LINKS artificialanalysis.ai/…/claude-fable-5-2

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