AI Models · Paid vs Paid

Claude Fable 5.1 Paid vs AMNova Premier 1.0 Paid

Claude Fable 5.1 vs Nova Premier 1.0 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Claude Fable 5.1PaidAnthropic
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
AMNova Premier 1.0PaidAmazon
$2.5 /M input
$12.5 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose Nova Premier 1.0 for the lower output price ($12.5/M vs $50/M). Choose Claude Fable 5.1 if you need the larger 1M context window.

Claude Fable 5.1 vs Nova Premier 1.0 specs

SpecClaude Fable 5.1Nova Premier 1.0Winner
MakerAnthropicAmazon
TypeProprietaryProprietary
Context window1M tokens1M tokens= Tie
Input price$10/M$2.5/MAMNova Premier 1.0
Output price$50/M$12.5/MAMNova Premier 1.0
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

4.0×cheaper per output token

Nova Premier 1.0 is ~4.0× cheaper than Claude Fable 5.1 on output tokens ($12.5 vs $50 per M tokens).

Choose Claude Fable 5.1 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
AMChoose Nova Premier 1.0 if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityClaude Fable 5.1Nova Premier 1.0
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Claude Fable 5.1 vs Nova Premier 1.0

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Claude Fable 5.1
Nova Premier 1.0
Intelligence index
53.4
Coding index
81.6
GPQA
93.7%
Humanity's Last Exam
59.1%
Long Context Reasoning
85.3%
SciCode
63.1%
τ-Bench Banking
47.2%
Terminal-Bench
91.4%
Speed
66.7 tok/s
Latency
137.76s
Intelligence per $
2.7

Benchmark data by Artificial Analysis.

How Claude Fable 5.1 and Nova Premier 1.0 score

🏆 Best value & openness: Nova Premier 1.0 (3.2 vs 2.9 / 5)
CriterionClaude Fable 5.1Nova Premier 1.0
Cost-efficiency2.03.5
Context window5.05.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Claude Fable 5.1 Paid

Anthropic · Proprietary

Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...

Nova Premier 1.0 Paid

Amazon · Proprietary

Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.

Frequently asked questions

Claude Fable 5.1 vs Nova Premier 1.0 — which is cheaper?

Nova Premier 1.0 is cheaper on output ($12.5/M vs $50/M).

Which has the larger context window?

Claude Fable 5.1 offers the larger context window (1M tokens).

Claude Fable 5.1 vs Nova Premier 1.0 — which should I pick in 2026?

Choose Nova Premier 1.0 for the lower output price ($12.5/M vs $50/M). Choose Claude Fable 5.1 if you need the larger 1M context window.

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