GPT-6 Astra vs Claude Fable 5.1 price
Input, output, cached and batch prices, every route and a month of tokens, side by side.
GPT-6 Astra
Claude Fable 5.1A month of tokens
100M input and 20M output tokens, list price. Use your own numbers.
Side by side
| GPT-6 Astra | Claude Fable 5.1 | |
|---|---|---|
| Input per 1M | $10 | $10 |
| Output per 1M | $50 | $50 |
| Cached input | $1 | $0.25 |
| Batch in / out | $5 / $25 | $5 / $25 |
| Blended (3:1) | $20 | $20 |
| Context | 1.05M | 1M |
| Routes | 6 | 4 |
| Released | Sep 4, 2026 | Sep 1, 2026 |
| Leadersboard score | 48 (#2) | 57 (#1) |
On the price map
Size: context window, 8K to 2MEqual blended cost (3:1) 245 models, lower left is cheaper
Every route
GPT-6 Astra
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
| OpenAI flex, cheapest · cached $0.5 | $5 | $25 | $5 / $25-50% vs list | $0.5 | -50% vs list |
| OpenAI API The lab's own API · cached $1 | $10 | $50 | $10 / $50List price | $1 | List price |
 Azure AI FoundryDefault region · cached $1 | $10 | $50 | $10 / $50Same as list | $1 | Same as list |
 AWS Bedrockus-west-2 · cached $1.1 | $11 | $55 | $11 / $55+10% vs list | $1.1 | +10% vs list |
| Azure AI Foundry us · cached $1.1 | $11 | $55 | $11 / $55+10% vs list | $1.1 | +10% vs list |
| OpenAI fast · cached $2 | $20 | $100 | $20 / $100+100% vs list | $2 | +100% vs list |
Claude Fable 5.1
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
| Anthropic API The lab's own API · cached $0.25 | $10 | $50 | $10 / $50List price | $0.25 | List price |
| AWS Bedrock Default region · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
| Azure AI Foundry Default region · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
 Google Vertex AIglobal · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.