Anthropic: Claude Fable Latest vs Inception: Mercury 2
Anthropic: Claude Fable Latest vs Inception: Mercury 2: Anthropic: Claude Fable Latest has the larger context window (1,000,000 tokens); Inception: Mercury 2 is cheaper on input ($0.25 per 1M tokens); Anthropic: Claude Fable Latest supports more input modalities (text, image, file). 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 | Inception: Mercury 2 |
|---|---|---|
| Context (tokens) | 1,000,000 | 128,000 |
| Input $/M | $10.00 | $0.25 |
| Output $/M | $50.00 | $0.75 |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| Model id | ~anthropic/claude-fable-latest | inception/mercury-2 |
Frequently asked questions
Which has a larger context window, Anthropic: Claude Fable Latest or Inception: Mercury 2?
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 Inception: Mercury 2?
Inception: Mercury 2 is cheaper on input at $0.25 per 1M tokens. (via OpenRouter /models, as of 2026-07-11.)
What input types do Anthropic: Claude Fable Latest and Inception: Mercury 2 support?
Anthropic: Claude Fable Latest accepts text, image, file; Inception: Mercury 2 accepts text.
Model details
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