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  5. Dots3-Note PreviewvsHorizon Beta
Updated Aug 2026

Dots3-Note PreviewvsHorizon Beta

Dots3-Note Preview has a larger context window than Horizon Beta (512K tokens vs 256K tokens).

Dots3-Note Preview and Horizon Beta compared across 40 shared prompts
SpecDots3-Note PreviewHorizon Beta
Input priceFreeFree
Output priceFreeFree
Context window512K tokens256K tokens
Free API (OpenRouter)Yes (1 provider)No
ReleasedAug 2026Aug 2025
Our Verdict
Dots3-Note Preview
Dots3-Note Preview
Horizon Beta
Horizon BetaRunner-up

Not enough votes to call it. On the specs, Dots3-Note Preview has the edge: newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

Dots3-Note Preview
Input
$0.000
Output
$0.000
Horizon Beta
Input
$0.000
Output
$0.000
Where to run it

1 host

Dots3-Note Preview1 host
HostInOutContextUptime
AAtlasCloudfp8$0 in·$0 out·512k·100% up
Horizon Beta

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.

Writing DNA

Style Comparison

Similarity
47%

Dots3-Note Preview uses 396.0x more bold

Dots3-Note Preview
Horizon Beta
51%Vocabulary62%
17wSentence Length15w
0.60Hedging0.24
4.0Bold0.0
2.9Lists2.2
0.00Emoji0.00
0.55Headings0.00
0.21Transitions0.18
Based on 26 + 16 text responses
Research

What we learned reading every model

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