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Compare models

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

  1. GLM 5.3Z.AIRemove
  2. Claude Fable 5.1AnthropicRemove
  3. Gemini 3.8 FlashGoogleRemove
  4. Veo 3GoogleRemove

4 is the maximum. Remove one to add another.

glm-5.3 vs claude-fable-5.1 vs gemini-3.8-flash vs veo3
AttributeGLM 5.3glm-5.3Claude Fable 5.1claude-fable-5.1Gemini 3.8 Flashgemini-3.8-flashVeo 3veo3
Pricing
Input$1.40 / 1M$10.00 / 1M$0.75 / 1M
Output$4.40 / 1M$50.00 / 1M$3.75 / 1M
Cache Write (5m)$1.40 / 1M$12.50 / 1M$0.75 / 1MNot applicable
Cache Write (1h)$1.40 / 1M$20.00 / 1M$0.75 / 1MNot applicable
Cache Read$1.40 / 1M$1.00 / 1M$0.75 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M
Request$1.26 / request
BillingPay Per Request
Context
Max context1M1M1MN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesYesNo
Function CallingYesYesYesNo
JSON ModeYesYesYesNo
StreamingYesYesYesNo
Catalogue
ProviderZ.AIAnthropicGoogleGoogle
Categorychatchatchatvideo
Charge typePay As You GoPay As You GoPay As You GoPay Per Request
Released
Description
SummaryGLM-5.3 is Z.ai's large-scale reasoning model designed for complex software engineering and long-horizon agentic workflows. It supports text input and output with a 1M-token context window, enabling sustained reasoning across large codebases and extended multi-step tasks. Building on GLM-5.2, it delivers stronger coding performance while improving the balance between capability and token efficiency, making it well suited for autonomous coding agents, large-scale engineering workflows, and complex task execution.Claude 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.Gemini 3.8 Flash is Google's most intelligent Flash-class model, delivering significant improvements over Gemini 3.7 Flash across software engineering, agentic workflows, and complex multi-step reasoning. Designed to combine strong capability with Flash-tier efficiency, it is well suited for coding assistants, autonomous agents, and high-throughput production workflows that require responsive performance without sacrificing reasoning quality.