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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. Claude Fable 5.1AnthropicRemove
  2. GLM 5.3 FlashZ.AIRemove
  3. Universal-3.5 ProAssemblyAIRemove
claude-fable-5.1 vs glm-5.3-flash vs universal-3-5-pro
AttributeClaude Fable 5.1claude-fable-5.1GLM 5.3 Flashglm-5.3-flashUniversal-3.5 Prouniversal-3-5-pro
Pricing
Input$10.00 / 1M$0.075 / 1M— Not priced per input token
Output$50.00 / 1M$0.25 / 1M— Not priced per output token
Cache Write (5m)$12.50 / 1M$0.075 / 1MNot applicable
Cache Write (1h)$20.00 / 1M$0.075 / 1MNot applicable
Cache Read$0.25 / 1M$0.075 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M1MN/A
Max outputN/AN/AN/A
Capabilities
VisionYesYesNo
Function CallingYesYesNo
JSON ModeYesYesNo
StreamingYesYesNo
Catalogue
ProviderAnthropicZ.AIAssemblyAI
Categorychatchatvoice
Charge typePay As You GoPay As You GoPay As You Go
Released——2026-09-22
Description
SummaryClaude Fable 5.1 is an upgraded version of Fable 5, delivering broad improvements with particularly strong gains in agentic coding, long-running workflows, and professional knowledge work. It excels at large code refactors, front-end and visual code generation, financial analysis, and complex analytical tasks. Compared with Fable 5, it also produces more concise plans and summaries while maintaining strong performance across extended tasks, making it a natural upgrade for existing Fable workflows and a strong option alongside Opus 5 for reasoning-intensive applications.GLM-5.3-Flash is Z.AI's efficient native multimodal model, designed for coding and long-horizon agentic workflows. It combines strong multimodal capabilities with an architecture optimized for responsive, cost-efficient task execution. Built on a hybrid sparse and linear attention architecture, GLM-5.3-Flash maintains accurate long-context behavior while reducing computational overhead, making it well suited for coding agents, extended multi-step tasks, and scalable production workloads.AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.