TokenCalc AI
Head-to-Head Architectural Faceoff (2026 Live)

GPT-4o Mini vs Grok 2

Compare GPT-4o Mini vs Grok 2 API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

GPT-4o Mini charges $0.15/1M input and $0.60/1M output tokens, compared to Grok 2 at $2.00/1M input and $10.00/1M output. GPT-4o Mini is 13.3x cheaper on input tokens. In benchmark reasoning, Grok 2 holds the higher intelligence rating (91/100). For latency-critical streaming, GPT-4o Mini delivers 145 t/s (240ms TTFT) while Grok 2 provides 75 t/s (440ms TTFT).

Overall Winner
GPT-4o Mini
Best Price/IQ Balance
Budget Winner
GPT-4o Mini
GPT-4o Mini is 13.3x cheaper on input tokens
Coding & Logic
Grok 2
Higher Benchmark Rating
Context Window
GPT-4o Mini
Larger Document Context

Full Metric & Specification Comparison

MetricGPT-4o MiniGrok 2Advantage
ProviderOpenAIxAI-
Input Token Cost (1M)$0.150$2.000GPT-4o Mini
Output Token Cost (1M)$0.600$10.000GPT-4o Mini
Context Window128k tokens128k tokensTie
Intelligence Benchmark Score82/10091/100Grok 2
Streaming LatencyUltra-FastFast-

Key Architectural Takeaways

  • Input Token Cost: GPT-4o Mini is $0.15/1M vs Grok 2 at $2.00/1M
  • Output Token Cost: GPT-4o Mini is $0.60/1M vs Grok 2 at $10.00/1M
  • Context Window: GPT-4o Mini supports 128k tokens vs Grok 2 with 128k tokens
  • Benchmark Intelligence Rating: GPT-4o Mini scores 82/100 vs Grok 2 at 91/100
  • Inference Latency: GPT-4o Mini is rated Ultra-Fast vs Grok 2 rated Fast
Interactive Head-to-Head Simulator

Calculate Your Team's Exact Bill Difference

Drag the sliders below to see real-time cost divergences based on your daily token consumption.

Daily Input Tokens500,000 tokens
10k1M5M10M+
Daily Output Tokens250,000 tokens
5k500k2M5M+
GPT-4o MiniOpenAI
93.6% Lower Cost
$6.75/mo
$0.15/1M in · $0.60/1M out
IQ Score82/100
Throughput145 t/s
Context128k
Grok 2xAI
$105.00/mo
$2.00/1M in · $10.00/1M out
IQ Score91/100
Throughput75 t/s
Context128k
Net Financial Advantage

Deploying GPT-4o Mini over Grok 2 saves $98.25/mo ($1179/yr) at this volume.

See all Grok 2 alternatives →

Frequently Asked Questions

Is GPT-4o Mini cheaper than Grok 2?

GPT-4o Mini is significantly more economical, charging $0.15/1M input compared to $2.00/1M for Grok 2.

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose GPT-4o Mini. If you require peak reasoning accuracy and complex tool use, Grok 2 is recommended.

How does context window compare between GPT-4o Mini and Grok 2?

GPT-4o Mini offers the larger context window (128k tokens), allowing you to pass significantly larger codebases or documents without chunking.

Real-time API Price Alert Dispatch

Never Miss an AI Token Price Cut

Whenever OpenAI, Anthropic, Google, or DeepSeek drop their API rates or increase context windows, we send a 60-second summary so your team can cut bills immediately.

Zero Spam•Unsubscribe in 1-click•Join 3,200+ AI Builders