Claude Fable 5 vs GPT-4o
Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, GPT-4o is cheaper by about $2,750.00/month.
| Claude Fable 5 | GPT-4o | |
|---|---|---|
| Provider | anthropic | openai |
| Input / 1M | $10.00 | $2.50 |
| Output / 1M | $50.00 | $10.00 |
| Per request (sample) | $0.0350 | $0.00750 |
| Monthly (sample) | $3,500.00 | $750.00 |
| Context window | 1,000,000 | 128,000 |
| Vision | No | Yes |
| Reasoning | Yes | No |
| Arena · Overall | 1454 | 1355 |
| Arena · Coding | 1629 | 1350 |
| Arena · Math & reasoning | 1448 | 1340 |
| Arena · Agentic / tool use | 1452 | — |
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
Compare on your own workload
Claude Fable 5 and GPT-4o are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.
Used unless you set active users below.
Results update automatically as you type.
| GPT-4o | OpenAI | $0.00750 | $750.00 | $9,000.00 | 128,000 |
| Claude Fable 5 | Anthropic | $0.0350 | $3,500.00 | $42,000.00 | 1,000,000 |
FAQ
Which is cheaper, Claude Fable 5 or GPT-4o?
For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, GPT-4o is cheaper, costing about $750.00/month versus $3,500.00/month.
What is the context window of Claude Fable 5 and GPT-4o?
Claude Fable 5 supports 1,000,000 tokens, while GPT-4o supports 128,000 tokens.
Estimates for planning only. Verify current pricing with each provider.