← All models
Compare

Claude Fable 5 vs GLM-5.3-Flash

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

Claude Fable 5GLM-5.3-Flash
AttributeClaude Fable 5Anthropic · 52 in the newsGLM-5.3-FlashZ.ai (Zhipu AI) · 5 in the news
Scores
Intelligence (ECI)163152
Coding9683
Math9666
Reasoning & Knowledge8956
Agentic & Tools96
Specifications
DeveloperAnthropicZ.ai (Zhipu AI)
FamilyClaude
ReleasedJun 9, 2026Aug 20, 2026
Parameters320B
AvailabilityAPI accessOpen weights (unrestricted)
Context window1M1.3M
Price — $/M input$10.00$0.10
Price — $/M output$50.00$0.35
Inputstext, image, filetext, image, video
Outputstexttext
Benchmarks
AIME 2024/2025100%94%
APEX45%
ARC-AGI99%
ARC-AGI-289%
GPQA Diamond86%90%
Humanity's Last Exam56%40%
SciCode61%52%
SimpleBench82%
SimpleQA Verified71%32%
WebDev Arena16261604
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.