Gemini 3.6 Flash vs GPT-5.2: Specs & Benchmark Comparison

CharacteristicGemini 3.6 FlashGPT-5.2
CompanyGoogleOpenAI
Release DateJuly 21, 2026December 10, 2025
Parameters
MultimodalYesYes
Context (input)1.0M256K
Context (output)66K128K
Input Price / 1M$1.50$1.50
Output Price / 1M$7.50$6.00
Average Score0.81.0

Verdict

Gemini 3.6 Flash leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Gemini 3.6 Flash — 0.8, GPT-5.2 — 1.0.

API Cost

GPT-5.2 is 1.2x cheaper: input $1.50/1M vs $1.50/1M tokens.

Context Window

Gemini 3.6 Flash supports a larger context: 1M vs 256K tokens.

Recency

Gemini 3.6 Flash is newer: released 7/21/2026 vs 12/10/2025.

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Frequently Asked Questions

Which is better for coding — Gemini 3.6 Flash or GPT-5.2?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.6 Flash or GPT-5.2?
Gemini 3.6 Flash is cheaper for input: $1.50 per 1M tokens vs $1.50.
Which has a larger context window — Gemini 3.6 Flash or GPT-5.2?
Gemini 3.6 Flash supports a larger context: 1,000,000 tokens vs 256,000.

The Gemini 3.6 Flash and GPT-5.2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.6 Flash or GPT-5.2 page. See also the complete list of AI model comparisons.