Gemini 3.8 Flash API pricing
Google's fast mid-tier line. Gemini 3.8 Flash costs $0.75 / $3.75 per 1M tokens until 31 December 2026, then $1.50 / $7.50.
Gemini 3.8 Flash prices
The 5th cheapest of 8 current workhorse models (blended 3:1). Cheapest: MiniMax M3, $0.30 / $1.20.
Capability score 159, joint 10th of 29 current models scored on the Epoch Capabilities Index (range 157–161).
GPT-6 Luna scores level (157) and costs 8× less on a coding agent: $25.98 vs $195 a month.
Source: Epoch Capabilities Index by Epoch AI, CC BY 4.0, read 11 Nov 2026. What the score means
What it costs in practice
Gemini 3.8 Flash at list prices, no batch discount.
| 1,000 chat replies1,500 tokens in and 300 out each | $2.25 |
|---|---|
| Summarising 100 long reports20,000 tokens in and 800 out each | $1.80 |
| A month of a coding agent400 tasks, 85% of input cached | $162 |
The coding-agent example assumes 85% of input is served from cache, typical for agents that resend the same context each step. Work out AI agent cost on Gemini 3.8 Flash
Details
gemini-3.8-flashChecked 6 Nov 2026 against Gemini API pricing and Gemini 3.8 Flash model page .
Estimate your monthly cost
List prices, no batch discount
| Model | Input / output per 1M | Per month |
|---|---|---|
| Gemini 3.8 Flash | $0.75 / $3.75 | $15.00 |
| MiniMax M3Cheaper alternative · MiniMax | $0.30 / $1.20 | $5.40 |
| GPT-6.1 TerraSimilar price · OpenAI | $1.00 / $5.00 | $20.00 |
Type amounts like 500K, 25M or 2B.
Price Gemini 3.8 Flash in: Token cost calculator · AI agent cost · Token counter
Cheaper alternative
MiniMax M3 (MiniMax) costs $0.30 / $1.20 per 1M tokens, 65% less than Gemini 3.8 Flash at a 3:1 input-to-output mix. It’s the cheapest current workhorse model from another family. Cheaper doesn’t mean as good: test it on your own tasks.
Compare Gemini 3.8 Flash with MiniMax M3
Similar price from another provider: GPT-6.1 Terra, $1.00 / $5.00. Compare
Compare Gemini 3.8 Flash with
Side by side: prices, cached and batch rates, and the cost of the same workload.
Other Gemini Flash versions
Google shipped three Flash versions in six weeks: 3.6 (21 July), 3.7 (13 August) and 3.8 (2 September).
| Model | Input / 1M | Output / 1M | Cached input | Context | Released |
|---|---|---|---|---|---|
|
$0.75 | $3.75 | $0.075 | 1M | 13 Aug 2026 |
|
$0.75 | $3.75 | $0.075 | 1M | 21 Jul 2026 |
| $1.50 | $9.00 | $0.15 | 1M | 19 May 2026 | |
| $0.50 | $3.00 | $0.050 | 1M | Dec 2025 | |
| $0.30 | $2.50 | $0.030 | 1M | 17 Jun 2025 |
Version details
Gemini 3.7 Flash
Promo price until 31 DecPrevious$0.75 / $3.75 per 1M tokenscached $0.075 · batch 50% off · 1M context
- Google now routes requests for gemini-3.7-flash to Gemini 3.8 Flash, and no longer lists a separate price.
Newer option: Gemini 3.8 Flash at $0.75 / $3.75. Checked 27 Sep 2026 against Gemini API pricing .
Gemini 3.6 Flash
Promo price until 31 DecPrevious$0.75 / $3.75 per 1M tokenscached $0.075 · batch 50% off · 1M context
Newer option: Gemini 3.8 Flash at $0.75 / $3.75. Checked 6 Nov 2026 against Gemini API pricing .
Gemini 3.5 Flash
Previous$1.50 / $9.00 per 1M tokenscached $0.15 · batch 50% off · 1M context
- Google now labels it a legacy model.
- Google now routes requests for gemini-3.5-flash to Gemini 3.6 Flash, and no longer lists a separate price.
Newer option: Gemini 3.8 Flash at $0.75 / $3.75. Checked 27 Sep 2026 against Gemini API pricing .
Gemini 3 Flash
Previous$0.50 / $3.00 per 1M tokenscached $0.050 · batch 50% off · 1M context
Newer option: Gemini 3.8 Flash at $0.75 / $3.75. Checked 13 Oct 2026 against Gemini API pricing .
Gemini 2.5 Flash
Previous$0.30 / $2.50 per 1M tokenscached $0.030 · batch 50% off · 1M context
- Only available to accounts that used it before.
Newer option: Gemini 3.8 Flash at $0.75 / $3.75. Checked 13 Oct 2026 against Gemini API pricing .
Compare Gemini 3.8 Flash
Price history
All changes- Google launched Gemini 3.8 Flash at $0.75 / $3.75 until 31 December, then $1.50 / $7.50. Source
- Google launched Gemini 3.7 Flash at $0.75 / $3.75. Source
- ▼ 50%Google launched Gemini 3.6 Flash at $0.75 / $3.75, half the price of 3.5 Flash, and Gemini 3.5 Flash-Lite at $0.30 / $2.50.
$1.50 / $9→ $0.75 / $3.75 Source - Google launched Gemini 3.5 Flash at $1.50 / $9. Source
Coming up
- Gemini 3.8 Flash's promotional price ends. From today it costs $1.50 / $7.50 per 1M tokens, with cache reads at $0.15. Source
Every upcoming shutdown and price change
Every dated price: price records · CSV. Cite as: AI Token Price, Gemini Flash pricing, https://aitokenprice.com/pricing/gemini-flash#price-history
Google pricing rules
- Batch requests cost 50% less.
- Gemini 3.1 Pro charges a higher rate for prompts above 200K tokens.
- Gemini 3.8 Flash is on a promotional price until 31 December 2026.
Questions
How much does Gemini 3.8 Flash cost?
As of 6 Nov 2026, Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens, and $0.075 per million cached input tokens. Batch requests cost 50% less. Prices checked 6 Nov 2026.
When does Gemini 3.8 Flash's price change?
Promotional price until 31 December 2026, then $1.50 / $7.50. The new price applies from 1 Jan 2027.
What is Gemini 3.8 Flash's context window?
1M tokens.
Does Gemini 3.8 Flash support prompt caching?
Yes. Repeated input read from the cache costs $0.075 per million tokens, 90% less than normal input.