Gemini 3.7 Flash vs GPT-5.1 Medium: Specs & Benchmark Comparison
Gemini 3.7 Flash is developed by Google, while GPT-5.1 Medium comes from OpenAI. GPT-5.1 Medium was released in November 2025, and Gemini 3.7 Flash followed 9 months later in August 2026.
We have 18 benchmark results for Gemini 3.7 Flash and 1 benchmark result for GPT-5.1 Medium, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Gemini 3.7 Flash is the cheaper API at $0.75 per million input tokens and $3.75 per million output tokens, about 33% below GPT-5.1 Medium at $1 and $4. Gemini 3.7 Flash takes the larger context window at 1M tokens, compared with 256K for GPT-5.1 Medium. Both accept text and images as input.
| Characteristic | Gemini 3.7 Flash | GPT-5.1 Medium |
|---|---|---|
| Company | OpenAI | |
| Release Date | August 13, 2026 | November 11, 2025 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 66K | 64K |
| Input Price / 1M | $0.75 | $1.00 |
| Output Price / 1M | $3.75 | $4.00 |
| Average Score | 59.8% | 98.0% |
Verdict
Gemini 3.7 Flash leads in 3 out of 4 comparison categories.
Both models show comparable average scores: Gemini 3.7 Flash — 0.6, GPT-5.1 Medium — 1.0.
Gemini 3.7 Flash is 1.1x cheaper: input $0.75/1M vs $1.00/1M tokens.
Gemini 3.7 Flash supports a larger context: 1M vs 256K tokens.
Gemini 3.7 Flash is newer: released 8/13/2026 vs 11/11/2025.
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Frequently Asked Questions
Which is better for coding — Gemini 3.7 Flash or GPT-5.1 Medium?
Which model is cheaper — Gemini 3.7 Flash or GPT-5.1 Medium?
Which has a larger context window — Gemini 3.7 Flash or GPT-5.1 Medium?
The Gemini 3.7 Flash and GPT-5.1 Medium comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.7 Flash or GPT-5.1 Medium page. See also the complete list of AI model comparisons.