GPT is OpenAI's model family, led by GPT-6 Astra for demanding reasoning, coding and computer use, with GPT-6.1 Sol, GPT-6.1 Terra and GPT-6 Luna at lower prices. The models power ChatGPT and the OpenAI API, and GPT-6 Astra scored 53 on the Artificial Analysis Intelligence Index.
| Pricing from | Free plan; API from $0.05 per million input tokens |
| Best for | Teams already standardised on ChatGPT |
| Website | openai.com |
GPT (OpenAI) pricing
Has a free plan. Pricing as Lister records it: Free plan; API from $0.05 per million input tokens
Prices change: check GPT (OpenAI)'s own pricing page before you buy.
Strengths and trade-offs
- Wide range, from Luna to Astra
- Largest listed context window here
- Astra costs $10 per million input
- Free ChatGPT plan lacks GPT-6 Astra
Appears in
Related rankings
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- Best LLM API providers
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Alternatives to GPT (OpenAI)
 Claude (Anthropic)Top-scoring models for coding and agents | #1 in Top 10 LLMs | 96.8 |
 Gemini (Google)Google's multimodal models with a free tier | #2 in Top 10 LLMs | 95.7 |
 Muse (Meta)Meta's frontier models, with open weights | #4 in Top 10 LLMs | 93.1 |
 Kimi (Moonshot AI)Open-weight models at frontier scale | #5 in Top 10 LLMs | 92.4 |
 Grok (xAI)xAI's models for coding and agents | #6 in Top 10 LLMs | 90.2 |
 DeepSeek (DeepSeek)Low-cost open-weight models | #7 in Top 10 LLMs | 89.1 |
Questions about GPT (OpenAI)
How much does GPT (OpenAI) cost?
GPT (OpenAI)'s pricing, as Lister records it: Free plan; API from $0.05 per million input tokens.
Is GPT (OpenAI) free?
Yes. Its pricing reads: Free plan; API from $0.05 per million input tokens.
Who is GPT (OpenAI) best for?
GPT (OpenAI) is best for teams already standardised on ChatGPT.
Where does GPT (OpenAI) rank?
GPT (OpenAI) is ranked #3 in Top 10 LLMs (Lister Score 94.9).
What are the best alternatives to GPT (OpenAI)?
The closest alternatives on Lister are Claude (Anthropic) (#1 in Top 10 LLMs), Gemini (Google) (#2 in Top 10 LLMs) and Muse (Meta) (#4 in Top 10 LLMs).
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#3 in Top 10 LLMs
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