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Compare AI models side by side

Choose up to 4 models. Prices, context windows and declared capabilities are read live from the OpenRouter listing, so the table reflects what the providers publish today.

OpenAIGPT-6 AstraOpenAIo3 Mini
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Side-by-side comparison of OpenAI: GPT-6 Astra, OpenAI: o3 Mini
Attribute
OpenAIGPT-6 Astraopenai/gpt-6-astra
OpenAIo3 Miniopenai/o3-mini
Input priceUSD per 1M tokens$10.00$1.10 (best)
Output priceUSD per 1M tokens$50.00$4.40 (best)
Blended price75% in / 25% out$20.00$1.93 (best)
Vs. market median25.0× dearer2.4× dearer
Value rankcheapest = 1#399#292 (best)
Context windowtokens1.1M (best)200K
Max outputtokens128K (best)100K
Input modalitiesfile, image, texttext, file
Output modalitiestexttext
Tool callingDeclaredDeclared
ReasoningDeclaredDeclared
Structured outputDeclaredDeclared
Listed on OpenRouter2026-09-04 (best)2025-01-31

Source: OpenRouter (live)

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Read-out

What the numbers say

  • OpenAI: o3 Mini is the cheapest here at $1.93/M blended — 10× less than OpenAI: GPT-6 Astra.
  • OpenAI: GPT-6 Astra offers the largest context window (1.1M tokens) versus 200K for OpenAI: o3 Mini.

Generated from the live figures above. Capabilities are what each provider declares on its listing.

Curated

Head-to-heads we keep up to date

Each comparison resolves to the newest models in the named families and carries our own guidance on which to choose.

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