AI Models · Paid vs Paid

Claude Fable 5 Paid vs UNPareto 26.10 Preview Paid

Claude Fable 5 vs Pareto 26.10 Preview 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 5PaidAnthropic
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
UNPareto 26.10 PreviewPaidUnbiased
$0.8 /M input
$3.2 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose Pareto 26.10 Preview for the lower output price ($3.2/M vs $50/M). It also gives you the larger 1M context window.

Claude Fable 5 vs Pareto 26.10 Preview specs

SpecClaude Fable 5Pareto 26.10 PreviewWinner
MakerAnthropicUnbiased–
TypeProprietaryProprietary–
Context window1M tokens1M tokensUNPareto 26.10 Preview
Input price$10/M$0.8/MUNPareto 26.10 Preview
Output price$50/M$3.2/MUNPareto 26.10 Preview
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

16×cheaper per output token

Pareto 26.10 Preview is ~16× cheaper than Claude Fable 5 on output tokens ($3.2 vs $50 per M tokens).

Choose Claude Fable 5 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
UNChoose Pareto 26.10 Preview if…
  • You want frontier performance through a managed API
  • You need the longer 1M context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityClaude Fable 5Pareto 26.10 Preview
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

Benchmarks: Claude Fable 5 vs Pareto 26.10 Preview

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

Claude Fable 5
Pareto 26.10 Preview
Intelligence index
49.6
–
Coding index
76.5
–
GPQA
92.6%
–
Humanity's Last Exam
55.5%
–
Long Context Reasoning
82.3%
–
SciCode
61%
–
IFBench
63.5%
–
τ²-Bench
98.5%
–
τ-Bench Banking
38.1%
–
Terminal-Bench
84.6%
–
Terminal-Bench Hard
62.9%
–
Speed
0 tok/s
–
Latency
0s
–
Intelligence per $
2.5
–

Benchmark data by Artificial Analysis.

How Claude Fable 5 and Pareto 26.10 Preview score

🏆 Best value & openness: Pareto 26.10 Preview (3.3 vs 2.9 / 5)
CriterionClaude Fable 5Pareto 26.10 Preview
Cost-efficiency2.04.0
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 Paid

Anthropic · Proprietary

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Pareto 26.10 Preview Paid

Unbiased · Proprietary

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. This is a preview of the...

Frequently asked questions

Claude Fable 5 vs Pareto 26.10 Preview — which is cheaper?

Pareto 26.10 Preview is cheaper on output ($3.2/M vs $50/M).

Which has the larger context window?

Pareto 26.10 Preview offers the larger context window (1M tokens).

Claude Fable 5 vs Pareto 26.10 Preview — which should I pick in 2026?

Choose Pareto 26.10 Preview for the lower output price ($3.2/M vs $50/M). It also gives you the larger 1M context window.

People also compare

Explore more open-source AI

Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.

Open the leaderboard →