Gemini 3 Pro vs Gemini 3.8 Flash: Specs & Benchmark Comparison
| Characteristic | Gemini 3 Pro | Gemini 3.8 Flash |
|---|---|---|
| Company | ||
| Release Date | November 17, 2025 | September 2, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | 66K |
| Input Price / 1M | $2.00 | $0.75 |
| Output Price / 1M | $12.00 | $3.75 |
| Average Score | 0.9 | 0.6 |
Verdict
Gemini 3.8 Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Gemini 3 Pro — 0.9, Gemini 3.8 Flash — 0.6.
API Cost
Gemini 3.8 Flash is 3.1x cheaper: input $0.75/1M vs $2.00/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
Gemini 3.8 Flash is newer: released 9/2/2026 vs 11/17/2025.
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Frequently Asked Questions
Which is better for coding — Gemini 3 Pro or Gemini 3.8 Flash?
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 Pro or Gemini 3.8 Flash?
Gemini 3.8 Flash is cheaper for input: $0.75 per 1M tokens vs $2.00.
Which has a larger context window — Gemini 3 Pro or Gemini 3.8 Flash?
Gemini 3 Pro supports a larger context: 1,048,576 tokens vs 1,048,576.
The Gemini 3 Pro and Gemini 3.8 Flash 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 Pro or Gemini 3.8 Flash page. See also the complete list of AI model comparisons.