---
title: Anthropic: Claude Fable Latest vs NVIDIA: Nemotron 3 Ultra (free)
canonical: https://prompeteer.ai/compare/anthropic-claude-fable-latest-vs-nvidia-nemotron-3-ultra-550b-a55b-free
updated: 2026-07-28
source: OpenRouter /models
---

# Anthropic: Claude Fable Latest vs NVIDIA: Nemotron 3 Ultra (free)

Anthropic: Claude Fable Latest vs NVIDIA: Nemotron 3 Ultra (free): Anthropic: Claude Fable Latest and NVIDIA: Nemotron 3 Ultra (free) offer the same context window (1,000,000 tokens); NVIDIA: Nemotron 3 Ultra (free) is cheaper on input ($0.00 per 1M tokens); Anthropic: Claude Fable Latest supports more input modalities (text, image, file). Data via OpenRouter /models, as of 2026-07-28.

| Metric | Anthropic: Claude Fable Latest | NVIDIA: Nemotron 3 Ultra (free) |
| --- | --- | --- |
| Context (tokens) | 1,000,000 | 1,000,000 |
| Input $/M | $10.00 | $0.00 |
| Output $/M | $50.00 | $0.00 |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| Model id | ~anthropic/claude-fable-latest | nvidia/nemotron-3-ultra-550b-a55b:free |

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