Gemini 3.8 Flash Cyber vs Grok-3: Specs & Benchmark Comparison
Gemini 3.8 Flash Cyber is developed by Google, while Grok-3 comes from xAI. Grok-3 was released in February 2025, and Gemini 3.8 Flash Cyber followed 19 months later in September 2026.
We have 4 benchmark results for Gemini 3.8 Flash Cyber and 5 benchmark results for Grok-3, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Grok-3 is available through an API at $3 per million input tokens with a 128K-token context window. We do not track a hosted API for Gemini 3.8 Flash Cyber, so pricing and context cannot be compared directly.
| Characteristic | Gemini 3.8 Flash Cyber | Grok-3 |
|---|---|---|
| Company | xAI | |
| Release Date | September 2, 2026 | February 16, 2025 |
| Parameters | — | — |
| Multimodal | No | Yes |
| Context (input) | — | 128K |
| Context (output) | — | 8K |
| Input Price / 1M | — | $3.00 |
| Output Price / 1M | — | $15.00 |
| Average Score | 74.6% | 85.7% |
Verdict
Gemini 3.8 Flash Cyber leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Gemini 3.8 Flash Cyber — 0.7, Grok-3 — 0.9.
Gemini 3.8 Flash Cyber is newer: released 9/2/2026 vs 2/16/2025.
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Frequently Asked Questions
Which is better for coding — Gemini 3.8 Flash Cyber or Grok-3?
Which model is cheaper — Gemini 3.8 Flash Cyber or Grok-3?
Which has a larger context window — Gemini 3.8 Flash Cyber or Grok-3?
The Gemini 3.8 Flash Cyber and Grok-3 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 Grok-3 page. See also the complete list of AI model comparisons.