Gemini 3.6 Flash vs GPT-5.2: Specs & Benchmark Comparison
Gemini 3.6 Flash is developed by Google, while GPT-5.2 comes from OpenAI. GPT-5.2 was released in December 2025, and Gemini 3.6 Flash followed 7 months later in July 2026.
We have 7 benchmark results for Gemini 3.6 Flash and 24 benchmark results for GPT-5.2, but they overlap on a single test: CharXiv-R, where Gemini 3.6 Flash scores 89.0% against 82.1%.
On price the two are close: Gemini 3.6 Flash costs $1.50 per million input tokens and $7.50 per million output tokens, GPT-5.2 $1.50 and $6. Gemini 3.6 Flash takes the larger context window at 1M tokens, compared with 256K for GPT-5.2. Gemini 3.6 Flash accepts text and images as input, while GPT-5.2 accepts text, images, audio, and video.
| Characteristic | Gemini 3.6 Flash | GPT-5.2 |
|---|---|---|
| Company | OpenAI | |
| Release Date | July 21, 2026 | December 10, 2025 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 66K | 128K |
| Input Price / 1M | $1.50 | $1.50 |
| Output Price / 1M | $7.50 | $6.00 |
| Average Score | 68.0% | 78.2% |
| Benchmarks | ||
| CharXiv-R | 89.0% | 82.1% |
Visual Benchmark Comparison
Verdict
Gemini 3.6 Flash leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Gemini 3.6 Flash — 0.7, GPT-5.2 — 0.8.
GPT-5.2 is 1.2x cheaper: input $1.50/1M vs $1.50/1M tokens.
Gemini 3.6 Flash supports a larger context: 1M vs 256K tokens.
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?
Which model is cheaper — Gemini 3.6 Flash or GPT-5.2?
Which has a larger context window — Gemini 3.6 Flash or GPT-5.2?
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.