models.dev DeepSeek: DeepSeek V4.1 Flash Fast (kilo/deepseek/deepseek-v4.1-flash-fast)
models.dev DeepSeek: DeepSeek V4.1 Flash Fast costs USD 0.60 per 1M input tokens and USD 2.40 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-11-14 10:09 UTC.
Last verified 2026-11-14T10:09:48+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 0.60 / 1M tokens
- Output
- USD 2.40 / 1M tokens
- Cached input
- USD 0.014 / 1M
- This price since
- 2026-11-12T22:15:19+00:00
- FX used
- 1 EUR = 1.1127 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 1,048,576
- Max output
- 32,768
- Open weights
- yes
- Reasoning
- yes
- Source kind
- community
- Vendor
- kilo
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-11-12T22:15:19+00:00
- SKU id
llm/modelsdev/kilo/deepseek/deepseek-v4.1-flash-fast
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/modelsdev/baseten/deepseek-ai/deepseek-v4.1-flash-fast | modelsdev (community cross-check) | 0.60 | 2.40 | agrees | 2026-11-14T10:09:48+00:00 |
| llm/modelsdev/commandcode/deepseek/deepseek-v4.1-flash-fast | modelsdev (community cross-check) | 0.16 | 0.58 | differs differs by -73.3% | 2026-11-14T10:09:48+00:00 |
| llm/modelsdev/coralbricks/deepseek-v4.1-flash-fast | modelsdev (community cross-check) | 0.25 | 1.20 | differs differs by -58.3% | 2026-11-14T10:09:48+00:00 |
| llm/modelsdev/vercel/deepseek/deepseek-v4.1-flash-fast | modelsdev (community cross-check) | 0.60 | 2.40 | agrees | 2026-11-14T10:09:48+00:00 |
| llm/modelsdev/wally/deepseek-v4.1-flash-fast | modelsdev (community cross-check) | 0.60 | 2.40 | agrees | 2026-11-14T10:09:48+00:00 |
| llm/baseten/deepseek-ai/DeepSeek-V4.1-Flash-Fast | litellm (community cross-check) | 0.60 | 2.40 | agrees | 2026-11-14T12:59:58+00:00 |
| llm/coralbricks/deepseek-v4.1-flash-fast | litellm (community cross-check) | 0.01 | 1.20 | differs differs by -98.3% | 2026-11-14T12:59:58+00:00 |
| llm/refuseless/deepseek-v4.1-flash-fast | litellm (community cross-check) | 0.05 | 0.15 | differs differs by -91.7% | 2026-11-14T12:59:58+00:00 |
| llm/wally/deepseek-v4.1-flash-fast | litellm (community cross-check) | 0.60 | 2.40 | agrees | 2026-11-14T12:59:58+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-11-12T22:15:19+00:00 | USD 0.60 | 0.60 | 0.5392 | 2.40 | #3440 |
Each row is a change point: the price held from that moment until the next row. History via the API: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-11-12T22:15:19+00:00 between 2026-11-12 and 2026-11-12 |
New SKU | 0.6 USD |
API: /v1/skus/llm/modelsdev/kilo/deepseek/deepseek-v4.1-flash-fast
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). models.dev DeepSeek: DeepSeek V4.1 Flash Fast [data as of 2026-11-14]. https://infrarabbit.com/prices/llm/modelsdev/kilo/deepseek/deepseek-v4.1-flash-fast (accessed 2026-11-14). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_kilo_deepseek_deepseek_v4_1_flash_fast_2026,
author = {InfraRabbit},
title = {models.dev DeepSeek: DeepSeek V4.1 Flash Fast},
year = {2026},
howpublished = {\url{https://infrarabbit.com/prices/llm/modelsdev/kilo/deepseek/deepseek-v4.1-flash-fast}},
note = {Data as of 2026-11-14; accessed 2026-11-14; list prices, not transacted prices; CC BY 4.0}
}