GPT-6 Astra vs Claude Fable 5.1
Sample workload: short support reply (~512 output tokens). Open the calculator for your own prompt.
| Field | GPT-6 Astra | Claude Fable 5.1 |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Accuracy | Exact | Approx |
| Input / 1M | $10.00/1M | $10.00/1M |
| Output / 1M | $50.00/1M | $50.00/1M |
| Sample input tokens | 16 | 25 |
| Sample request cost | $0.02576 | $0.02585 |
| Pages | Model page | Model page |
Try your own prompt
Sample costs above use a fixed support-chat prompt. For your text, open the main calculator with either model preselected.
GPT-6 Astra in calculator · Claude Fable 5.1 in calculator · Count tokens (GPT-6 Astra) · Count tokens (Claude Fable 5.1) · All comparisons
How LLM pricing works · Exact vs Approx · GPT-6 Astra page · Claude Fable 5.1 page
Related comparisons
Other featured pairs that share GPT-6 Astra or Claude Fable 5.1.
Related tools
LLM cost calculator · Cheapest LLM API · Cache savings · Batch pricing
Related guides
How LLM API pricing works · How prompt cost is calculated · Prompt caching explained · Exact vs Approx
Sources and references
Official documentation used for definitions, counting methods, or rate cards. Always confirm critical budgets on the provider page.