GPT-5.4 nano vs Gemini 2.5 Flash-Lite

Side-by-side API pricing comparison: which model gives you more for less?

Last verified Jun 2026 · Prices per 1M tokens

Cheaper Input
Gemini 2.5 Flash-Lite
$0.1 vs $0.2
Cheaper Output
Gemini 2.5 Flash-Lite
$0.4 vs $1.25
Max Savings
68%
by switching to Gemini 2.5 Flash-Lite
Save up to 68%
Switch from GPT-5.4 nano to Gemini 2.5 Flash-Lite · $0.1 input / $0.4 output per 1M tokens

Quick Comparison

FeatureGPT-5.4 nanoGemini 2.5 Flash-Lite
Provider OpenAI Google
Tier Budget Budget
Input Price $0.2 $0.1
Output Price $1.25 $0.4
Context Window 400K 1M
Verified Jun 2026 Jun 2026

When to Use Each

💰 Cost-Sensitive Workloads

High-volume APIs, batch processing, and startups watching runway.

→ Use Gemini 2.5 Flash-Lite — 50% cheaper input, 68% cheaper output

🧠 Complex Reasoning

Tasks requiring advanced reasoning, code generation, or nuanced analysis.

→ Either model works — compare quality on your specific tasks

⚡ High-Throughput APIs

Real-time chatbots, streaming responses, and latency-sensitive apps.

→ Gemini 2.5 Flash-Lite for cost at scale, GPT-5.4 nano if quality matters more

🔬 Prototyping & Testing

Development, experimentation, and non-critical workloads.

→ Use Gemini 2.5 Flash-Lite — same context (400K), much cheaper

Track price changes for both models

APIpulse Pro monitors 49 models across 10 providers. Get alerts when GPT-5.4 nano or Gemini 2.5 Flash-Lite prices change.

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Frequently Asked Questions

Is Gemini 2.5 Flash-Lite cheaper than GPT-5.4 nano?

Yes. Gemini 2.5 Flash-Lite costs $0.1 input / $0.4 output per 1M tokens, while GPT-5.4 nano costs $0.2 input / $1.25 output. That's 50% cheaper on input and 68% cheaper on output.

How much can I save switching to Gemini 2.5 Flash-Lite?

For a typical workload (1M input + 500K output tokens/month), Gemini 2.5 Flash-Lite costs $0.30/month vs $0.82/month for GPT-5.4 nano. That's a savings of $0.52/month (68%).

Which should I choose: GPT-5.4 nano or Gemini 2.5 Flash-Lite?

Choose Gemini 2.5 Flash-Lite for cost efficiency. Choose GPT-5.4 nano for OpenAI ecosystem benefits. GPT-5.4 nano has 400K context vs Gemini 2.5 Flash-Lite's 1M.