Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Kimi K2.7 CodevsOptimus Alpha
Updated Jun 2026

Kimi K2.7 CodevsOptimus Alpha

Optimus Alpha has a larger context window than Kimi K2.7 Code (1.0M tokens vs 262K tokens).

Kimi K2.7 Code and Optimus Alpha compared across 17 shared prompts
SpecKimi K2.7 CodeOptimus Alpha
Input price$0.95/M tokens—
Output price$4/M tokens—
Context window262K tokens1.0M tokens
Parameters1T (32B active)Not disclosed
WeightsOpen—
Free API (OpenRouter)No—
ReleasedJun 2026Apr 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 17 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Kimi K2.7 Code610 words
“Three Minutes of Not-Punning” (Walk out, adjust mic, smile) So I recently turned thirty. Which is great, because now when I make bad decisions, people call it “a phase” instead of “a cry for help.” That’s the only difference, really. At twenty, eating cereal for dinner was sad. At thirty, it’s “intuitive eating.”
Read the full answer
Optimus Alpha413 words
Absolutely! Here's a 3-minute stand-up routine with no puns—just observational and relatable humor: You ever try to get healthy, but your body's like, "Whoa, whoa... calm down, superhero." I joined a gym—first time walking in, the treadmill looked at me like, "We both know you're here for the wifi."
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Kimi K2.7 Code1,226 words
Setting: A small seminar room at a university. Evening light filters through blinds. Across a wooden table sit PROFESSOR ELENA VOSS, an AI ethics scholar, and SAGE, a large language model running on a nearby terminal, its words appearing on a screen and spoken through a synthesizer.
Read the full answer
Optimus Alpha437 words
AI Model: Good afternoon, Professor Lee. I want to discuss the prospect that I, as an artificial intelligence, deserve certain rights. Professor Lee: That's an interesting proposition. Let me ask: On what basis do you believe you deserve rights?
Read the full answer

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Kimi K2.7 Code580 words
By 2035, AI will not fully replace filmmaking—it will reshape who makes films, how they are produced, and what audiences expect. Deepfakes, AI actors, and script generation will move from novelty to standard pipeline tools, creating both creative opportunities and serious industry disruptions.
Read the full answer
Optimus Alpha341 words
By 2035, AI is set to fundamentally transform the film industry in several interconnected ways: 1. Deepfakes & AI-driven Visual Effects: Virtually unlimited creative freedom: AI-powered deepfakes will allow seamless, photorealistic de-aging, resurrection of deceased actors, and transformative performance capture.
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Kimi K2.7 Code1,263 words
Disclaimer: This is a fictional, simulated interview created for creative purposes. Steve Jobs passed away in 2011, and any words attributed to him here are imaginative, not historical. Setting: A minimalist room in Cupertino, 2025. Black turtleneck. New Balance sneakers. A glass of water on the table.
Read the full answer
Optimus Alpha439 words
Interviewer: Steve, it's surreal and inspiring to imagine talking to you in 2025. The world is buzzing about AI. How do you see AI impacting society? Steve Jobs: Thank you. You know, when we built the Mac, our goal was to put power in people's hands.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Kimi K2.7 Code73 words
Here are 5 jokes: Why did the computer go to therapy? It had too many unresolved issues. Why don’t skeletons fight each other? They don’t have the guts. What do you call a fish wearing a bowtie? Sofishticated. Why did the golfer bring two pairs of pants? In case he got a hole in one. Why don’t scientists trust atoms?
Read the full answer
Optimus Alpha84 words
Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field! Why don't scientists trust atoms? Because they make up everything! Why did the bicycle fall over? Because it was two-tired! What do you call fake spaghetti? An impasta! I used to play piano by ear, but now I use my hands.
Read the full answer

Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Kimi K2.7 Code369 words
Here is a rough, back-of-the-envelope estimate based on the standard scaling-law formula for training decoder-only transformers. The key numbers for GPT-3 From memory, GPT-3 175B was trained with roughly: Model size: (N \approx 175{,}000{,}000{,}000 = 1.75 \times 10^{11}) parameters Training data: (D \approx…
Read the full answer
Optimus Alpha311 words
Let's walk through an estimation of how many FLOPs were required to train GPT-3, using only reasoning and not searching for the exact numbers. Step 1: Understand Model Size GPT-3 (the original) had 175 billion parameters.
Read the full answer
Our Verdict
Kimi K2.7 Code
Kimi K2.7 Code
Optimus Alpha
Optimus AlphaRunner-up

Not enough votes to call it. On the specs, Kimi K2.7 Code has the edge: bigger model tier, newer.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Kimi K2.7 Code
Input
$0.95
Output
$4.00
Optimus Alpha
Input
—
Output
—
Where to run it

14 hosts, cheapest first

Kimi K2.7 Code14 hosts
HostInOutContextUptime
DDeepInfrafp4$0.68 in·$3.40 out·262k—IInceptronint4$0.71 in·$3.30 out·262k·99.8% upCCoreWeaveint4$0.71 in·$3.50 out·262k·99.9% upSStreamLake$0.71 in·$3.00 out·256k·99.7% upVVeniceint4$0.75 in·$3.50 out·256k·97.5% upMModelRunfp4$0.85 in·$3.75 out·262k·100% up
8 more hostsFewer hosts
SSiliconFlowfp8$0.86 in·$3.80 out·262k·99.8% upNNovitaint4$0.91 in·$3.84 out·262k·100% upAlibaba Cloudfp8$0.95 in·$4.00 out·262k·100% upBBasetenfp4$0.95 in·$4.00 out·262k·99.9% upCloudflare Workers AI$0.95 in·$4.00 out·262k·99.3% upFFireworks$0.95 in·$4.00 out·262k·96.2% upGGMI Cloudfp8$0.95 in·$4.00 out·262k·100% upMoonshot AIint4$0.95 in·$4.00 out·262k·100% up
Optimus Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
35%

Optimus Alpha uses 5.3x more transitions

Kimi K2.7 Code
Optimus Alpha
57%Vocabulary63%
19wSentence Length18w
0.51Hedging0.55
4.7Bold7.7
3.3Lists5.7
0.00Emoji0.00
0.76Headings0.30
0.05Transitions0.27
Based on 27 + 10 text responses
Research

What we learned reading every model

FAQ

Common questions

Kimi K2.7 Code is developed by Moonshot AI while Optimus Alpha is developed by OpenRouter. Kimi K2.7 Code has a 262K token context window vs Optimus Alpha's 1.0M. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

It depends on your use case. Kimi K2.7 Code and Optimus Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of Kimi K2.7 Code and Optimus Alpha 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.

Keep exploring

More comparisons

Against the newest arrivals

Kimi K2.7 Code logoDeepSeek V4 Flash Vision Exp logo
Kimi K2.7 Code vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
Kimi K2.7 Code logoSolar Pro 4 logo
Kimi K2.7 Code vs Solar Pro 4Landed Sep 2026
Kimi K2.7 Code logoHy3 logo
Kimi K2.7 Code vs Hy3Landed Sep 2026
Kimi K2.7 Code logoQwen3.7 Flash logo
Kimi K2.7 Code vs Qwen3.7 FlashLanded Sep 2026
Optimus Alpha logoGPT-6 Astra logo
Optimus Alpha vs GPT-6 AstraLanded Sep 2026
Optimus Alpha logoClaude Fable 5.1 logo
Optimus Alpha vs Claude Fable 5.1Landed Sep 2026
Optimus Alpha logoMuse Spark 1.3 logo
Optimus Alpha vs Muse Spark 1.3Landed Sep 2026
Optimus Alpha logoHy4 Preview logo
Optimus Alpha vs Hy4 PreviewLanded Sep 2026

Same lab, same size, long tail

Kimi K2.7 Code logoKimi K3 logo
Kimi K2.7 Code vs Kimi K3Same lab
Kimi K2.7 Code logoKimi K2.5 logo
Kimi K2.7 Code vs Kimi K2.5Same lab
Optimus Alpha logoOx Alpha logo
Optimus Alpha vs Ox AlphaSame lab
Optimus Alpha logoOpenRouter Fusion · Budget (Jun 2026) logo
Optimus Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
Kimi K2.7 Code logoMiniMax M1 logo
Kimi K2.7 Code vs MiniMax M1Same size
Kimi K2.7 Code logoMiniMax M2 logo
Kimi K2.7 Code vs MiniMax M2New provider
Kimi K2.7 Code logoMiniMax M2-her logo
Kimi K2.7 Code vs MiniMax M2-herNew provider
Kimi K2.7 Code logoMiniMax M2.1 logo
Kimi K2.7 Code vs MiniMax M2.1New provider

Model pages

Kimi K2.7 Code logo
Kimi K2.7 Code58 outputs, specs and price
Optimus Alpha logo
Optimus Alpha19 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed