Gemini 3.1 Flash pricing
Gemini 3.1 Flash costs $0.50 per 1M input tokens and $3.00 per 1M output tokens as of October 2026. Tracked daily since 25 July 2026 across 94 snapshots.
Current rates
- Input: $0.50 per 1M tokens
- Output: $3.00 per 1M tokens
- Context window: 1,000,000 tokens
- Above 200,000 tokens the rate changes to $1.00 input / $6.00 output
No price movement recorded for Gemini 3.1 Flash over the tracked period — the rate has held steady.
Cheaper alternatives to Gemini 3.1 Flash
Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.
| Model | Input / 1M | Output / 1M | Cheaper by |
|---|---|---|---|
| Gemini 3.5 Flash-Lite | $0.30 | $2.50 | 24% |
| Mistral Large 3 | $0.50 | $1.50 | 33% |
| GPT-5.6 Luna | $0.20 | $1.20 | 60% |
| Llama 4 Maverick (400B) | $0.15 | $0.60 | 77% |
| Claude Haiku 5.5 | $0.10 | $0.50 | 82% |
Cite this data
Free to reuse under CC BY 4.0 with a link back.
Text
YemHub (2026). Gemini 3.1 Flash API pricing history. YemHub AI Pricing Index. Retrieved 27 October 2026, from https://yemhub.com/price-history/gemini-3-1-flash/
BibTeX
@misc{yemhub2026gemini31flashapipricinghistory,
author = {{YemHub}},
title = {Gemini 3.1 Flash API pricing history},
year = {2026},
howpublished = {\url{https://yemhub.com/price-history/gemini-3-1-flash/}},
note = {YemHub AI Pricing Index, accessed 2026-10-27}
}