Comparison
Claude Fable 5 vs GPT-4o
GPT-4o costs 75% less per input token than Claude Fable 5. GPT-4o is 80% cheaper on output tokens. Claude Fable 5 accepts more context per request than GPT-4o.
| Field | Claude Fable 5 | GPT-4o Legacy |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context window | 1M | 128K |
| Max output | 128K | — |
| Input / 1M | $10.00 | $2.5075% cheaper |
| Output / 1M | $50.00 | $10.0080% cheaper |
| Cached input / 1M | $1.0020% cheaper | $1.25 |
| Batch discount | 50% | — |
| Release date | 2026-06-09 | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Claude Fable 5 | GPT-4o |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $1,800 | $400.00cheaper |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $2,850 | $660.00cheaper |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $1,375 | $325.00cheaper |
Claude Fable 5 vs GPT-4o FAQ
- Is Claude Fable 5 cheaper than GPT-4o?
- Claude Fable 5 costs $10.00 per 1M input tokens versus $2.50 for GPT-4o — GPT-4o is 300% cheaper per input token.
- Which is cheaper for output tokens, Claude Fable 5 or GPT-4o?
- Claude Fable 5 charges $50.00 per 1M output tokens; GPT-4o charges $10.00 per 1M output tokens.
- Which has the larger context window, Claude Fable 5 or GPT-4o?
- Claude Fable 5 does, with a 1,000,000-token context window.
- Do Claude Fable 5 and GPT-4o offer cache pricing?
- Claude Fable 5 discounts cached input to $1.00 per 1M tokens. GPT-4o discounts cached input to $1.25 per 1M tokens.
Looking for another matchup? See all comparisons.