Gemini 3.5 Flash-Lite vs GPT-5.4: Specs & Benchmark Comparison

CharacteristicGemini 3.5 Flash-LiteGPT-5.4
CompanyGoogleOpenAI
Release DateJuly 21, 2026March 5, 2026
Parameters
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)66K128K
Input Price / 1M$0.30$2.50
Output Price / 1M$2.50$15.00
Average Score0.00.9

Verdict

Gemini 3.5 Flash-Lite leads in 2 out of 3 comparison categories.

API Cost

Gemini 3.5 Flash-Lite is 6.3x cheaper: input $0.30/1M vs $2.50/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

Gemini 3.5 Flash-Lite is newer: released 7/21/2026 vs 3/5/2026.

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Frequently Asked Questions

Which is better for coding — Gemini 3.5 Flash-Lite or GPT-5.4?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.5 Flash-Lite or GPT-5.4?
Gemini 3.5 Flash-Lite is cheaper for input: $0.30 per 1M tokens vs $2.50.
Which has a larger context window — Gemini 3.5 Flash-Lite or GPT-5.4?
Gemini 3.5 Flash-Lite supports a larger context: 1,000,000 tokens vs 1,000,000.

The Gemini 3.5 Flash-Lite and GPT-5.4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.5 Flash-Lite or GPT-5.4 page. See also the complete list of AI model comparisons.