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 2026-07-11.
Source: OpenRouter /models · as of 2026-07-11
Side-by-side comparison
| 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 |
Frequently asked questions
Which has a larger context window, Anthropic: Claude Fable Latest or Anthropic: Claude Opus 4?
Anthropic: Claude Fable Latest has the larger context window at 1,000,000 tokens. (via OpenRouter /models, as of 2026-07-11.)
Which is cheaper, Anthropic: Claude Fable Latest or Anthropic: Claude Opus 4?
Anthropic: Claude Fable Latest is cheaper on input at $10.00 per 1M tokens. (via OpenRouter /models, as of 2026-07-11.)
What input types do Anthropic: Claude Fable Latest and Anthropic: Claude Opus 4 support?
Anthropic: Claude Fable Latest accepts text, image, file; Anthropic: Claude Opus 4 accepts image, text, file.
Model details
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