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. Command A+vsGPT-5.1-Codex
Updated Sep 2026

Command A+vsGPT-5.1-Codex

Command A+ is cheaper than GPT-5.1-Codex at $0.3/M vs $1.25/M input tokens.

Command A+ and GPT-5.1-Codex compared across 17 shared prompts
SpecCommand A+GPT-5.1-Codex
Input price$0.3/M tokens$1.25/M tokens
Output price$1.5/M tokens$10/M tokens
Context window192K tokens400K tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026Nov 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 17 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…

Command A+267 words
Dish Name: Golden Garlic Parmesan Pasta Ingredients (7 pantry staples only) 8 oz (≈ 225 g) dry pasta (any shape you like) 3 Tbsp unsalted butter 2 cloves garlic, minced 1 Tbsp olive oil ½ tsp salt (plus extra for pasta water) ¼ tsp freshly ground black pepper ½ cup grated Parmesan cheese Instructions Boil the pasta…
Read the full answer
GPT-5.1-Codex117 words
Recipe: Cloud-Burst Cinnamon Oat Cups Ingredients (7 total): Rolled oats – 1 cup Honey – 2 tbsp Peanut butter (or any nut butter) – 3 tbsp Cinnamon – ½ tsp Vanilla extract – ½ tsp Dried cranberries (or raisins) – ¼ cup Pinch of salt Instructions: In a bowl, microwave peanut butter and honey for 20 seconds just to…
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…

Command A+688 words
1‑Month Starter Plan for Better Health & Longevity Focus: Diet   Exercise   Sleep – three pillars that give the biggest bang‑for‑your‑buck. Why These Three? Diet fuels every cell and controls inflammation. Exercise keeps muscles, heart, and brain sharp.
Read the full answer
GPT-5.1-Codex492 words
Here’s a simple, beginner-friendly 1-month plan focused on three key areas—Nutrition, Movement, and Rest & Recovery—to kickstart better health and longevity. Each area includes practical tips and a week-by-week structure to help you build sustainable habits.
Read the full answer
Our Verdict
GPT-5.1-Codex
GPT-5.1-Codex
Command A+
Command A+Runner-up

Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: bigger model tier, bigger context window, major provider backing.

Command A+ costs 6.7x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Command A+
Input
$0.30
4.2× cheaper
Output
$1.50
6.7× cheaper
GPT-5.1-Codex
Input
$1.25
Output
$10.00

Command A+ is cheaper on both: 4.2× input, 6.7× output.

Where to run it

2 hosts

Command A+1 host
HostInOutContextUptime
Cohere$0.30 in·$1.50 out·192k·99.3% up
GPT-5.1-Codex1 host
HostInOutContextUptime
Azure AI Foundry$1.25 in·$10.00 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Command A+ is developed by Cohere while GPT-5.1-Codex is developed by OpenAI. Command A+ has a 192K token context window vs GPT-5.1-Codex's 400K. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

It depends on your use case. Command A+ and GPT-5.1-Codex 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.

Command A+ costs $0.3/M input tokens and GPT-5.1-Codex costs $1.25/M input tokens. Command A+ is $0.95/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 Command A+ and GPT-5.1-Codex 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

Command A+ logoSolar Mini 4 logo
Command A+ vs Solar Mini 4Landed Sep 2026
GPT-5.1-Codex logoQwen3.8 Max Prime logo
GPT-5.1-Codex vs Qwen3.8 Max PrimeLanded Sep 2026
Command A+ logoGLM 5.3 Prime logo
Command A+ vs GLM 5.3 PrimeLanded Sep 2026
GPT-5.1-Codex logoQwen3.8 Omni Flash logo
GPT-5.1-Codex vs Qwen3.8 Omni FlashLanded Sep 2026
Command A+ logoClaude Opus 5.5 logo
Command A+ vs Claude Opus 5.5Landed Sep 2026
GPT-5.1-Codex logoGPT-6 Luna Pro logo
GPT-5.1-Codex vs GPT-6 Luna ProLanded Sep 2026
Command A+ logoGPT-6 Sol Pro logo
Command A+ vs GPT-6 Sol ProLanded Sep 2026
GPT-5.1-Codex logoGPT-6 Luna logo
GPT-5.1-Codex vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

Command A+ logoNorth Mini Code logo
Command A+ vs North Mini CodeSame lab
Command A+ logoOx Alpha logo
Command A+ vs Ox AlphaSame size
GPT-5.1-Codex logoGPT-6 Sol Pro logo
GPT-5.1-Codex vs GPT-6 Sol ProSame lab
GPT-5.1-Codex logoGPT-6 Sol logo
GPT-5.1-Codex vs GPT-6 SolSame lab
Command A+ logoKimi K2 logo
Command A+ vs Kimi K2New provider
Command A+ logoKimi K2 0905 logo
Command A+ vs Kimi K2 0905New provider
Command A+ logoKimi K2 Thinking logo
Command A+ vs Kimi K2 ThinkingNew provider
Command A+ logoKimi K2.5 logo
Command A+ vs Kimi K2.5Same size

Model pages

Command A+ logo
Command A+17 outputs, specs and price
GPT-5.1-Codex logo
GPT-5.1-Codex53 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