$ diff gemini-3-8-flash gpt-5-6-sol
Gemini 3.8 Flash vs GPT-5.6 Sol
Values come from Gemini 3.8 Flash and GPT-5.6 Sol, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
Google DeepMindGemini 3.8 Flash
- context
- 1.0M
- weights
- closed
- $/M in
- $0.75
- $/M out
- $3.75
- context
- 1.1M
- weights
- closed
- $/M in
- $4
- $/M out
- $20
What actually differs
- Context window
- GPT-5.6 Sol takes 1.1M against 1.0M — modestly more room in a single request.
- Input price
- Gemini 3.8 Flash at $0.75/M against $4/M — 5.3× cheaper to feed.
- Output price
- Gemini 3.8 Flash at $3.75/M against $20/M — 5.3× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Recency
- Gemini 3.8 Flash shipped 55 days after GPT-5.6 Sol (2026-09-02 vs 2026-07-09).
Full spec
| Attribute | Gemini 3.8 Flash | GPT-5.6 Sol |
|---|---|---|
| Developer | Google DeepMind | OpenAI |
| Released | 2026-09-02 | 2026-07-09 |
| Context window | 1,048,576 tokens (65,536 max output) | 1.05M tokens |
| Pricing | $0.75/M input · $3.75/M output (introductory, through 2026-12-31) · $1.50/M · $7.50/M from 2027-01-01 | $4/M input · $20/M output (Sol, promotional from 2026-08-21 through at least 2026-11-21; list $5/M · $30/M; family tiers below) |
| License | proprietary | proprietary (API-only; no weight release) |
| Availability | Gemini API, Google AI Studio, Antigravity, Android Studio, Gemini Enterprise / Gemini Enterprise Agent Platform | ChatGPT (subscription), API |