GPT-6 Astra vs GPT-6 Sol

GPT-6 Astra (OpenAI) vs GPT-6 Sol (OpenAI), compared on price, context, speed and Arabic support. Both run on thalam through one OpenAI-compatible API, so you can switch between them with a single model id change. At a glance, GPT-6 Sol is the cheaper option.

Specs side by side

SpecGPT-6 AstraGPT-6 Sol
ProviderOpenAIOpenAI
TypeTextText
Context window1M1M
Max output128K128K
Input price$10.00 / 1M$2.00 / 1M
Output price$50.00 / 1M$10.00 / 1M
SpeedMediumMedium
Arabic supportStrongStrong

Which should you choose?

Choose GPT-6 Astra if…
  • OpenAI's GPT-6 generation. Frontier reasoning with a 1M-token context, image input, and adjustable reasoning effort
Choose GPT-6 Sol if…
  • Lower cost, about 5× cheaper ($2.00 / 1M)
Run both GPT-6 Astra and GPT-6 Sol on one API

One OpenAI-compatible endpoint, one bill. Switch between them with a single model id change, pay per use, credits never expire.

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FAQ

What's the difference between GPT-6 Astra and GPT-6 Sol?

GPT-6 Sol costs less ($2.00 / 1M vs $10.00 / 1M). Both are available on thalam behind one OpenAI-compatible API.

Is GPT-6 Astra or GPT-6 Sol cheaper?

GPT-6 Sol is cheaper on input ($2.00 / 1M vs $10.00 / 1M). On thalam you pay per use, so you can route cheap-by-default and fall back to the other only when needed.

Can I use both GPT-6 Astra and GPT-6 Sol with one API key?

Yes. thalam is OpenAI-compatible, so both models are reachable through the same endpoint. Switching between them is a one-line model id change, no code rewrite.