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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. Hy4 previewTencentRemove
  2. GPT-6 Astra ProOpenAIRemove
  3. Veo 3 FastGoogleRemove
  4. Claude Fable 5.1AnthropicRemove

4 is the maximum. Remove one to add another.

hy4-preview vs gpt-6-astra-pro vs veo3-fast vs claude-fable-5.1
AttributeHy4 previewhy4-previewGPT-6 Astra Progpt-6-astra-proVeo 3 Fastveo3-fastClaude Fable 5.1claude-fable-5.1
Pricing
Input$0.834 / 1M$10.00 / 1M$10.00 / 1M
Output$2.50 / 1M$50.00 / 1M$50.00 / 1M
Cache Write (5m)$0.834 / 1M$10.00 / 1MNot applicable$12.50 / 1M
Cache Write (1h)$0.834 / 1M$10.00 / 1MNot applicable$20.00 / 1M
Cache Read$0.834 / 1M$10.00 / 1MNot applicable$1.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Request$1.26 / request
BillingPay Per Request
Context
Max context1M1MN/A1M
Max outputN/AN/AN/AN/A
Capabilities
VisionYesYesNoYes
Function CallingYesYesNoYes
JSON ModeYesYesNoYes
StreamingYesYesNoYes
Catalogue
ProviderTencentOpenAIGoogleAnthropic
Categorychatchatvideochat
Charge typePay As You GoPay As You GoPay Per RequestPay As You Go
Released
Description
SummaryTencent Hy4 Preview is a Mixture-of-Experts (MoE) model from Tencent, featuring 770B total parameters with 49B activated per token. It is designed for coding agents, complex tool-driven workflows, and professional productivity tasks that require strong planning and reliable execution. Optimized for context continuity and sustained multi-step work, Hy4 Preview is well suited for long-horizon coding, agentic automation, tool orchestration, and complex real-world workflows.GPT-6 Astra Pro uses the same underlying model as GPT-6 Astra, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is well suited for demanding coding, analysis, and agentic workflows where solution quality takes priority over speed and cost.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.