modelsdev Gemini 3.5 Flash (fastrouter/google/gemini-3.5-flash)
modelsdev Gemini 3.5 Flash costs USD 1.50 per 1M input tokens and USD 9.00 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-23 23:39 UTC.
Last verified 2026-10-23T23:39:40+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
A first-party listing of this model exists and is shown below; this row is the community cross-check.
Price
- Input
- USD 1.50 / 1M tokens
- Output
- USD 9.00 / 1M tokens
- Cached input
- USD 0.15 / 1M
- This price since
- 2026-10-19T22:42:32+00:00
- FX used
- 1 EUR = 1.1234 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 1,048,576
- Max output
- 65,536
- Open weights
- no
- Reasoning
- yes
- Source kind
- community
- Vendor
- fastrouter
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-19T22:42:32+00:00
- SKU id
llm/modelsdev/fastrouter/google/gemini-3.5-flash
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/deepinfra/google/gemini-3.5-flash | deepinfra-models (first-party) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/302ai/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/abacus/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/aihubmix/gemini-3.5-flash | modelsdev (community cross-check) | 0.75 | 3.75 | differs differs by -50.0% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/cloudflare-ai-gateway/google/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/commandcode/google/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/cortecs/gemini-3.5-flash | modelsdev (community cross-check) | 1.649 | 9.899 | differs differs by +9.9% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/crossmodel/gemini/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/edenai/google/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/edenai/vertex/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/github-copilot/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/google-vertex/gemini-3.5-flash | modelsdev (community cross-check) | 1.50 | 9.00 | agrees | 2026-10-23T23:39:40+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-21T23:07:35+00:00 | USD 1.50 | 1.50 | 1.3352 | 9.00 | #620 |
| 2026-10-19T22:42:32+00:00 | USD 1.50 | 1.50 | 1.3363 | 9.00 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-21T23:07:35+00:00 between 2026-10-21 and 2026-10-21 |
Price change cached input, per 1M tokens | – → 0.15 USD |
API: /v1/skus/llm/modelsdev/fastrouter/google/gemini-3.5-flash
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev Gemini 3.5 Flash [data as of 2026-10-23]. https://infrarabbit.com/llm/modelsdev/fastrouter/google/gemini-3.5-flash (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_fastrouter_google_gemini_3_5_flash_2026,
author = {{InfraRabbit}},
title = {modelsdev Gemini 3.5 Flash},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/fastrouter/google/gemini-3.5-flash}},
note = {Data as of 2026-10-23; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}