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Gemini 2.0 Flash vs GPT-4o (Omni)

Compare Gemini 2.0 Flash vs GPT-4o (Omni) API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

Gemini 2.0 Flash charges $0.10/1M input and $0.40/1M output tokens, compared to GPT-4o (Omni) at $2.50/1M input and $10.00/1M output. Gemini 2.0 Flash is 25.0x cheaper on input tokens. In benchmark reasoning, GPT-4o (Omni) holds the higher intelligence rating (92/100). For latency-critical streaming, Gemini 2.0 Flash delivers 260 t/s (180ms TTFT) while GPT-4o (Omni) provides 90 t/s (420ms TTFT).

Overall Winner
Gemini 2.0 Flash
Best Price/IQ Balance
Budget Winner
Gemini 2.0 Flash
Gemini 2.0 Flash is 25.0x cheaper on input tokens
Coding & Logic
GPT-4o (Omni)
Higher Benchmark Rating
Context Window
Gemini 2.0 Flash
Larger Document Context

Full Metric & Specification Comparison

MetricGemini 2.0 FlashGPT-4o (Omni)Advantage
ProviderGoogleOpenAI-
Input Token Cost (1M)$0.100$2.500Gemini 2.0 Flash
Output Token Cost (1M)$0.400$10.000Gemini 2.0 Flash
Context Window1,000k tokens128k tokensGemini 2.0 Flash
Intelligence Benchmark Score88/10092/100GPT-4o (Omni)
Streaming LatencyUltra-FastFast-

Key Architectural Takeaways

  • Input Token Cost: Gemini 2.0 Flash is $0.10/1M vs GPT-4o (Omni) at $2.50/1M
  • Output Token Cost: Gemini 2.0 Flash is $0.40/1M vs GPT-4o (Omni) at $10.00/1M
  • Context Window: Gemini 2.0 Flash supports 1,000k tokens vs GPT-4o (Omni) with 128k tokens
  • Benchmark Intelligence Rating: Gemini 2.0 Flash scores 88/100 vs GPT-4o (Omni) at 92/100
  • Inference Latency: Gemini 2.0 Flash is rated Ultra-Fast vs GPT-4o (Omni) 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+
Gemini 2.0 FlashGoogle
96.0% Lower Cost
$4.50/mo
$0.10/1M in · $0.40/1M out
IQ Score88/100
Throughput260 t/s
Context1000k
GPT-4o (Omni)OpenAI
$112.50/mo
$2.50/1M in · $10.00/1M out
IQ Score92/100
Throughput90 t/s
Context128k
Net Financial Advantage

Deploying Gemini 2.0 Flash over GPT-4o (Omni) saves $108.00/mo ($1296/yr) at this volume.

See all GPT-4o (Omni) alternatives →

Frequently Asked Questions

Is Gemini 2.0 Flash cheaper than GPT-4o (Omni)?

Gemini 2.0 Flash is significantly more economical, charging $0.10/1M input compared to $2.50/1M for GPT-4o (Omni).

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose Gemini 2.0 Flash. If you require peak reasoning accuracy and complex tool use, GPT-4o (Omni) is recommended.

How does context window compare between Gemini 2.0 Flash and GPT-4o (Omni)?

Gemini 2.0 Flash offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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