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o3-mini (Reasoning) vs Grok 2

Compare o3-mini (Reasoning) 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

o3-mini (Reasoning) charges $1.10/1M input and $4.40/1M output tokens, compared to Grok 2 at $2.00/1M input and $10.00/1M output. o3-mini (Reasoning) is 1.8x cheaper on input tokens. In benchmark reasoning, o3-mini (Reasoning) holds the higher intelligence rating (93/100). For latency-critical streaming, o3-mini (Reasoning) delivers 95 t/s (580ms TTFT) while Grok 2 provides 75 t/s (440ms TTFT).

Overall Winner
o3-mini (Reasoning)
Best Price/IQ Balance
Budget Winner
o3-mini (Reasoning)
o3-mini (Reasoning) is 1.8x cheaper on input tokens
Coding & Logic
o3-mini (Reasoning)
Higher Benchmark Rating
Context Window
o3-mini (Reasoning)
Larger Document Context

Full Metric & Specification Comparison

Metrico3-mini (Reasoning)Grok 2Advantage
ProviderOpenAIxAI-
Input Token Cost (1M)$1.100$2.000o3-mini (Reasoning)
Output Token Cost (1M)$4.400$10.000o3-mini (Reasoning)
Context Window200k tokens128k tokenso3-mini (Reasoning)
Intelligence Benchmark Score93/10091/100o3-mini (Reasoning)
Streaming LatencyFastFast-

Key Architectural Takeaways

  • Input Token Cost: o3-mini (Reasoning) is $1.10/1M vs Grok 2 at $2.00/1M
  • Output Token Cost: o3-mini (Reasoning) is $4.40/1M vs Grok 2 at $10.00/1M
  • Context Window: o3-mini (Reasoning) supports 200k tokens vs Grok 2 with 128k tokens
  • Benchmark Intelligence Rating: o3-mini (Reasoning) scores 93/100 vs Grok 2 at 91/100
  • Inference Latency: o3-mini (Reasoning) is rated Fast vs Grok 2 rated Fast
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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+
o3-mini (Reasoning)OpenAI
52.9% Lower Cost
$49.50/mo
$1.10/1M in · $4.40/1M out
IQ Score93/100
Throughput95 t/s
Context200k
Grok 2xAI
$105.00/mo
$2.00/1M in · $10.00/1M out
IQ Score91/100
Throughput75 t/s
Context128k
Net Financial Advantage

Deploying o3-mini (Reasoning) over Grok 2 saves $55.50/mo ($666/yr) at this volume.

See all Grok 2 alternatives →

Frequently Asked Questions

Is o3-mini (Reasoning) cheaper than Grok 2?

o3-mini (Reasoning) is significantly more economical, charging $1.10/1M 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 o3-mini (Reasoning). If you require peak reasoning accuracy and complex tool use, o3-mini (Reasoning) is recommended.

How does context window compare between o3-mini (Reasoning) and Grok 2?

o3-mini (Reasoning) offers the larger context window (200k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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