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  5. Kimi K2 0905vsTernary Bonsai 2 27B
Updated Sep 2026

Kimi K2 0905vsTernary Bonsai 2 27B

Ternary Bonsai 2 27B is cheaper than Kimi K2 0905 at $0.075/M vs $0.6/M input tokens.

Kimi K2 0905 and Ternary Bonsai 2 27B compared across 9 shared prompts
SpecKimi K2 0905Ternary Bonsai 2 27B
Input price$0.6/M tokens$0.075/M tokens
Output price$2.5/M tokens$0.5/M tokens
Context window262K tokens262K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedSep 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 4 of the 9 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Kimi K2 0905192 words
Dish Name: “Midnight Magic Peanut-Butter Clouds” Pantry 7: Peanut butter – ½ cup Granulated sugar – ½ cup 1 large egg Vanilla extract – ½ tsp Baking soda – ¼ tsp Salt – 1 pinch Cocoa powder – 1 Tbsp (or 1 extra tsp sugar if you don’t want chocolate) Time: 5 min prep + 8 min bake = 13 minutes total Yield: 8–10 bite-size…
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Ternary Bonsai 2 27B358 words
🍫 Velvet Hour Skillet Cakes A one-pan, one-pan-pour, one-lick-the-spoon kind of dessert. Fluffy, deeply chocolate, and done before your coffee goes cold. Serves: 2–3 Prep: 10 min Cook: 12–15 min Total: ~25 min The 7 Ingredients # Ingredient Amount 1 All-purpose flour ¾ cup 2 Granulated sugar ⅓ cup 3 Unsweetened cocoa…
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Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

Kimi K2 0905322 words
The three weakest claims, in order of how quickly an investor’s BS-detector will go off, are: “94 % accuracy … works with any language, any device.” “TAM: $180 B.” “Partnership discussions with Apple and Samsung.”
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Ternary Bonsai 2 27B1,109 words
The 3 Weakest Claims in the MindMeld AI Pitch "FDA Clearance (40% of $15M)" — Slide 7 The claim: They're allocating $6M (40% of the entire raise) toward "FDA clearance" for a consumer EEG headband that decodes thoughts into text for everyday smartphone use.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Kimi K2 0905759 words
1-MONTH “BETTER-HEALTH & LONGEVITY” STARTER PLAN (Print this one-pager, stick it on the fridge, tick the boxes daily) FOCUS AREA 1 – EAT A LITTLE BETTER Goal: Add 3 longevity foods, subtract 3 ultra-processed foods, never go hungry.
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Ternary Bonsai 2 27B729 words
1-Month Foundation Plan: Health & Longevity How to Use This Plan Pick one area per week's focus while maintaining the other two at a baseline level. The point is consistency over intensity. You're building a habit identity, not a transformation.
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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

Kimi K2 0905884 words
Senior backend engineer Think of the model as a 200-layer, purely functional, eventually-consistent key/value store whose keys are every token prefix it has ever seen and whose values are probability vectors over the next token. At “compile time” (pre-training) it sees ~10²¹ bytes of text.
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Ternary Bonsai 2 27B1,636 words
For the Distributed-Systems Engineer Think of the model as a single, enormous state object—roughly 150 billion floating-point parameters—that has been trained offline over months on a cluster of thousands of GPUs.
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Our Verdict
Kimi K2 0905
Kimi K2 0905
Ternary Bonsai 2 27B
Ternary Bonsai 2 27B

Not enough votes to call it. On the specs, nothing separates them.

Ternary Bonsai 2 27B costs 5.0x less per token.

Too close to call
API pricing

Cost per 1M tokens

Kimi K2 0905
Input
$0.60
Output
$2.50
Ternary Bonsai 2 27B
Input
$0.07
8.0× cheaper
Output
$0.50
5.0× cheaper

Ternary Bonsai 2 27B is cheaper on both: 8.0× input, 5.0× output.

Where to run it

2 hosts

Kimi K2 09051 host
HostInOutContextUptime
NNovitafp8$0.60 in·$2.50 out·262k·100% up
Ternary Bonsai 2 27B1 host
HostInOutContextUptime
DDarkbloomint4$0.07 in·$0.50 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Kimi K2 0905 is developed by Moonshot AI while Ternary Bonsai 2 27B is developed by PrismML. Kimi K2 0905 has a 262K token context window vs Ternary Bonsai 2 27B's 262K. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

It depends on your use case. Kimi K2 0905 and Ternary Bonsai 2 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 9 challenges so you can judge which fits your needs best.

Kimi K2 0905 costs $0.6/M input tokens and Ternary Bonsai 2 27B costs $0.075/M input tokens. Ternary Bonsai 2 27B is $0.53/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Kimi K2 0905 and Ternary Bonsai 2 27B across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Model pages

Kimi K2 0905 logo
Kimi K2 090559 outputs, specs and price
Ternary Bonsai 2 27B logo
Ternary Bonsai 2 27B9 outputs, specs and price
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