WhichAI / Models / Claude Fable 5

Claude Fable 5

· verified July 26, 2026

public paid api in Generator writing reasoning agents

Provider

Statuspublic

AA Intelligence Index59.9 (July 16, 2026 snapshot)

Releasedn/a

Context window1M

ModalitiesText + vision

API price $/1M (in / out)$10 / $50 · up to 128K output tokens

Speedn/a

AccessClaude Pro / Max plans (usage credits since July 7) · API $10/$50 per 1M tokens

In one line

Anthropic's newest flagship (Mythos-class) - tops the AA index at max effort and leads creative-writing boards for voice, subtext and character work; briefly export-controlled, now globally available.

Coding89

Reasoning92

Writing93

Agents & tools90

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

Claude Opus 5 (Anthropic) · AA 60.7Released July 24, 2026 · Claude Pro / Max plans · API $5/$25 per 1M tokens (Fast mode $10/$50)
GPT-5.6 Sol (OpenAI) · AA 58.9Released July 9, 2026 (rolling out) · API $5/$30 per 1M tokens · up to 750 tok/s on Cerebras
Kimi K3 (Moonshot AI) · AA 57.1API $3/$15 per 1M tokens ($0.30 cached) · kimi.com chat · open weights announced for July 27 (Modified MIT)

Head-to-head: Claude Fable 5 vs Claude Opus 5 · Claude Fable 5 vs GPT-5.6 Sol · Claude Fable 5 vs Claude Opus 4.8

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).