Skip to content

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. Sonar ReasoningPerplexityRemove
  2. GPT-6 AstraOpenAIRemove
sonar-reasoning vs gpt-6-astra
AttributeSonar Reasoningsonar-reasoningGPT-6 Astragpt-6-astra
Pricing
Input$1.00 / 1M$10.00 / 1M
Output$5.00 / 1M$50.00 / 1M
Cache Write (5m)$1.00 / 1M$10.00 / 1M
Cache Write (1h)$1.00 / 1M$10.00 / 1M
Cache Read$1.00 / 1M$10.00 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context127K1M
Max outputN/AN/A
Capabilities
VisionNoYes
Function CallingNoYes
JSON ModeNoYes
StreamingNoYes
Catalogue
ProviderPerplexityOpenAI
Categorychatchat
Charge typePay As You GoPay As You Go
Released
Description
SummaryGPT-6 Astra is OpenAI's flagship model for demanding end-to-end professional work, designed for advanced analysis, software engineering, deep research, scientific tasks, and document creation. It is particularly strong in long-horizon agentic workflows, including tasks that require sustained reasoning, tool orchestration, and computer and browser use, making it well suited for complex autonomous workflows and production-grade knowledge work.