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  5. Claude Opus 4.5vsNorth Mini Code
Updated Jun 2026

Claude Opus 4.5vsNorth Mini Code

North Mini Code is the newer model, released after Claude Opus 4.5.

Claude Opus 4.5 and North Mini Code compared across 53 shared prompts
SpecClaude Opus 4.5North Mini Code
Input price—Free
Output price—Free
Context window—256K tokens
WeightsClosedClosed
Free API (OpenRouter)NoYes (1 provider)
ReleasedNov 2025Jun 2026
Our Verdict
Claude Opus 4.5
Claude Opus 4.5
North Mini Code
North Mini CodeRunner-up

Not enough votes to call it. On the specs, Claude Opus 4.5 has the edge: bigger model tier, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Opus 4.5
Input
—
Output
—
North Mini Code
Input
$0.000
Output
$0.000
Where to run it

5 hosts

Claude Opus 4.54 hosts
HostInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·200k·100% upAzure AI Foundry$5.00 in·$25.00 out·200k·100% upAnthropic$5.00 in·$25.00 out·200k·99.7% upGoogle Vertex AI$5.00 in·$25.00 out·200k·100% up
North Mini Code1 host
HostInOutContextUptime
Cohere$0 in·$0 out·256k·96.2% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.

Writing DNA

Style Comparison

Similarity
54%

North Mini Code uses 3.0x more transitions

Claude Opus 4.5
North Mini Code
66%Vocabulary53%
51wSentence Length21w
0.82Hedging0.51
6.0Bold6.0
4.5Lists2.2
0.18Emoji0.24
1.46Headings0.75
0.05Transitions0.14
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

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Rival
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