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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. Veo 3GoogleRemove
  2. Hy4 previewTencentRemove
  3. GPT-6 Astra ProOpenAIRemove
  4. Gemini 3.8 FlashGoogleRemove

4 is the maximum. Remove one to add another.

veo3 vs hy4-preview vs gpt-6-astra-pro vs gemini-3.8-flash
AttributeVeo 3veo3Hy4 previewhy4-previewGPT-6 Astra Progpt-6-astra-proGemini 3.8 Flashgemini-3.8-flash
Pricing
Request$1.26 / request
BillingPay Per Request
Cache Write (5m)Not applicable$0.834 / 1M$10.00 / 1M$0.75 / 1M
Cache Write (1h)Not applicable$0.834 / 1M$10.00 / 1M$0.75 / 1M
Cache ReadNot applicable$0.834 / 1M$10.00 / 1M$0.75 / 1M
Input$0.834 / 1M$10.00 / 1M$0.75 / 1M
Output$2.50 / 1M$50.00 / 1M$3.75 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A1M1M1M
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesYesYes
Function CallingNoYesYesYes
JSON ModeNoYesYesYes
StreamingNoYesYesYes
Catalogue
ProviderGoogleTencentOpenAIGoogle
Categoryvideochatchatchat
Charge typePay Per RequestPay As You GoPay As You GoPay 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.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.