OpenAI CodexvsGroq

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

OpenAI Codex

Coding Assistants

Featured

OpenAI coding agent for CLI, IDE, web, desktop, and cloud workflows

Groq

LLM APIs & Inference

The fastest AI inference platform — LPU-powered, 1000+ tokens/sec

FeatureOpenAI CodexGroq
CategoryCoding AssistantsLLM APIs & Inference
PricingIncluded with eligible ChatGPT plans; additional credits availableFree tier available, pay-per-token for production
GitHub Stars
More stars
85k
PlatformsmacOS, Windows, Linux, WebWeb
Key Features
  • Terminal coding agent
  • IDE extension
  • Web and desktop app
  • Multi-agent workflows
  • Cloud environments
  • Worktrees
  • PR review
  • MCP and tool use
  • LPU hardware — custom chips for inference, not repurposed GPUs
  • GPT OSS 120B at 500 tok/s ($0.15/M input)
  • GPT OSS 20B at 1000 tok/s ($0.075/M input)
  • Llama 4 Scout 17B at 750 tok/s with 131K context + vision
  • Qwen3-32B at 400 tok/s with 131K context
  • Compound AI systems with web search + code execution
  • Whisper transcription ($0.04-0.11/hour)
  • OpenAI-compatible API — drop-in replacement
  • Free developer tier: 250-300K TPM, 1K RPM
Pros
  • + Official OpenAI coding agent
  • + Works across CLI, IDE, web, desktop, and cloud
  • + Open-source CLI under Apache-2.0
  • + Strong fit for parallel agent workflows
  • + Designed for end-to-end software tasks and PR review
  • + Fastest inference available (500-1000 tok/s)
  • + Free tier with generous limits (250K+ tokens/min)
  • + OpenAI-compatible API — swap one line of code
  • + Latest open-source models (GPT OSS, Llama 4, Qwen3)
  • + Compound AI for agentic workflows (search + code exec)
Cons
  • Usage limits vary by ChatGPT plan
  • Cloud and ChatGPT surfaces are proprietary
  • Autonomous code changes still require review
  • Team controls depend on workspace plan
  • Cloud-only — cannot self-host LPU hardware
  • Rate limits on free tier (1K RPM)
  • Smaller model catalog than running locally via Ollama
Tags
codingagenticcliideopenaichatgptmulti-agent
inferencefastfreehardware

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