← All models
Compare

Claude Fable 5 vs GLM 5.3 Prime

Add, remove, or swap models to compare them side by side.

Claude Fable 5GLM 5.3 Prime
AttributeClaude Fable 5Anthropic · 52 in the newsGLM 5.3 PrimeZ.ai
Scores
Intelligence (ECI)163
Coding96
Math96
Reasoning & Knowledge89
Agentic & Tools94
Specifications
DeveloperAnthropicZ.ai
FamilyClaude
ReleasedJun 9, 2026Sep 23, 2026
Parameters
AvailabilityAPI access
Context window1M1M
Price — $/M input$10.00$2.80
Price — $/M output$50.00$8.80
Inputstext, image, filetext
Outputstexttext
Benchmarks
AIME 2024/2025100%
APEX64%
ARC-AGI99%
ARC-AGI-289%
GPQA Diamond86%
Humanity's Last Exam56%
SciCode61%
SimpleBench82%
SimpleQA Verified71%
WebDev Arena1628
WeirdML92%
τ²-bench99%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.