LLMCost

Anthropic: Claude Fable 5 vs NVIDIA: Nemotron 3 Ultra

On input price, NVIDIA: Nemotron 3 Ultra is ~16.7× cheaper. Verified 2026-10-21.

Anthropic: Claude Fable 5 $10.00/$50.00vsNVIDIA: Nemotron 3 Ultra $0.600/$2.40

Verdict

On blended price (3:1 input:output), NVIDIA: Nemotron 3 Ultra is ~19.0× cheaper ($0.600/$2.40 vs $10.00/$50.00 per 1M tokens). Anthropic: Claude Fable 5 scores higher on intelligence (62 vs 38, Artificial Analysis) — pay more only if that gap matters for your workload. Anthropic: Claude Fable 5 generates 6% faster output.

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricAnthropic: Claude Fable 5NVIDIA: Nemotron 3 Ultra
Input / 1M$10.00$0.600
Output / 1M$50.00$2.40
Cache read / 1M$1.00$0.120
Blended (3:1)$20.00/1M$1.05/1M
Estimated monthly costAnthropic: Claude Fable 5NVIDIA: Nemotron 3 Ultra
Chatbot10,000 reqs · 800/400 tok$280.00$14.40
Coding agent5,000 reqs · 8000/2000 tok$900.00$48.00
RAG pipeline30,000 reqs · 4000/500 tok$1950.00$108.00

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricAnthropic: Claude Fable 5NVIDIA: Nemotron 3 Ultra
Context window1M262K
Max output128K183K
Vision input✓–
Tool calling✓✓
Reasoning✓✓

Quality

Intelligence Index by Artificial Analysis (independent evaluations, 0–100).

Intelligence Index — higher is better
Anthropic: Claude Fable 562
NVIDIA: Nemotron 3 Ultra38

Sources: Anthropic: Claude Fable 5 on Artificial Analysis · NVIDIA: Nemotron 3 Ultra on Artificial Analysis

Performance

Measured by Artificial Analysis on live endpoints.

Output speed — higher is better
Anthropic: Claude Fable 590 tok/s
NVIDIA: Nemotron 3 Ultra85 tok/s
Latency (TTFT) — lower is better
Anthropic: Claude Fable 51,100 ms
NVIDIA: Nemotron 3 Ultra1,200 ms
MetricAnthropic: Claude Fable 5NVIDIA: Nemotron 3 Ultra
Cost per task$0.000022$0.000015

Provider

Infrastructure metrics for the organizations behind these models.

MetricAnthropicNVIDIA
Listed endpoints88
Reliability99.8%99.7%
Avg latency520 ms380 ms
Pricing tiersstandard, batchstandard, free, batch

Full details: Anthropic: Claude Fable 5 pricing · NVIDIA: Nemotron 3 Ultra pricing