Gemini 3.8 Flash Cyber vs GPT-5.1 Codex High: Specs & Benchmark Comparison
| Characteristic | Gemini 3.8 Flash Cyber | GPT-5.1 Codex High |
|---|---|---|
| Company | OpenAI | |
| Release Date | September 2, 2026 | November 11, 2025 |
| Parameters | — | — |
| Multimodal | No | Yes |
| Context (input) | — | 400K |
| Context (output) | — | 128K |
| Input Price / 1M | — | $1.25 |
| Output Price / 1M | — | $10.00 |
| Average Score | 0.7 | 1.0 |
Verdict
Gemini 3.8 Flash Cyber leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Gemini 3.8 Flash Cyber — 0.7, GPT-5.1 Codex High — 1.0.
Recency
Gemini 3.8 Flash Cyber is newer: released 9/2/2026 vs 11/11/2025.
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Frequently Asked Questions
Which is better for coding — Gemini 3.8 Flash Cyber or GPT-5.1 Codex High?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.8 Flash Cyber or GPT-5.1 Codex High?
API pricing data is available on the individual model pages.
Which has a larger context window — Gemini 3.8 Flash Cyber or GPT-5.1 Codex High?
Context window data is available on the individual model pages.
The Gemini 3.8 Flash Cyber and GPT-5.1 Codex High comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.8 Flash Cyber or GPT-5.1 Codex High page. See also the complete list of AI model comparisons.