---
title: Anthropic: Claude Fable Latest vs OpenAI: GPT-4o (2024-05-13)
canonical: https://prompeteer.ai/compare/anthropic-claude-fable-latest-vs-openai-gpt-4o-2024-05-13
updated: 2026-07-28
source: OpenRouter /models
---

# Anthropic: Claude Fable Latest vs OpenAI: GPT-4o (2024-05-13)

Anthropic: Claude Fable Latest vs OpenAI: GPT-4o (2024-05-13): Anthropic: Claude Fable Latest has the larger context window (1,000,000 tokens); OpenAI: GPT-4o (2024-05-13) is cheaper on input ($5.00 per 1M tokens); both support 3 input modalities. Data via OpenRouter /models, as of 2026-07-28.

| Metric | Anthropic: Claude Fable Latest | OpenAI: GPT-4o (2024-05-13) |
| --- | --- | --- |
| Context (tokens) | 1,000,000 | 128,000 |
| Input $/M | $10.00 | $5.00 |
| Output $/M | $50.00 | $15.00 |
| Input modalities | text, image, file | text, image, file |
| Output modalities | text | text |
| Model id | ~anthropic/claude-fable-latest | openai/gpt-4o-2024-05-13 |

Source: Data via OpenRouter /models — as of 2026-07-28.