---
title: Anthropic: Claude Fable Latest vs Anthropic: Claude Opus 4
canonical: https://prompeteer.ai/compare/anthropic-claude-fable-latest-vs-anthropic-claude-opus-4
updated: 2026-07-26
source: OpenRouter /models
---

# Anthropic: Claude Fable Latest vs Anthropic: Claude Opus 4

Anthropic: Claude Fable Latest vs Anthropic: Claude Opus 4: Anthropic: Claude Fable Latest has the larger context window (1,000,000 tokens); Anthropic: Claude Fable Latest is cheaper on input ($10.00 per 1M tokens); both support 3 input modalities. Data via OpenRouter /models, as of 2026-07-26.

| Metric | Anthropic: Claude Fable Latest | Anthropic: Claude Opus 4 |
| --- | --- | --- |
| Context (tokens) | 1,000,000 | 200,000 |
| Input $/M | $10.00 | $15.00 |
| Output $/M | $50.00 | $75.00 |
| Input modalities | text, image, file | image, text, file |
| Output modalities | text | text |
| Model id | ~anthropic/claude-fable-latest | anthropic/claude-opus-4 |

Source: Data via OpenRouter /models — as of 2026-07-26.