sail deepseek-ai/DeepSeek-V4.1-Flash (deepseek-ai/DeepSeek-V4.1-Flash)
sail deepseek-ai/DeepSeek-V4.1-Flash costs USD 0.09 per 1M input tokens and USD 0.30 per 1M output tokens (community cross-check, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json), verified 2026-10-24 04:57 UTC.
Last verified 2026-10-24T04:57:20+00:00 · Source: https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json (community cross-check, waak source litellm)
A first-party listing of this model exists and is shown below; this row is the community cross-check.
Price
- Input
- USD 0.09 / 1M tokens
- Output
- USD 0.30 / 1M tokens
- Cached input
- USD 0.006 / 1M
- This price since
- 2026-10-15T22:54:23+00:00
- FX used
- 1 EUR = 1.1208 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 1,048,576
- Max output
- 1,048,576
- Mode
- chat
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-09-26T22:40:16+00:00
- SKU id
llm/sail/deepseek-ai/DeepSeek-V4.1-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/azure/deepseek-v4.1-flash | azure-retail-openai (first-party) | 0.30 | 1.20 | differs differs by +233.3% | 2026-10-23T12:28:14+00:00 |
| llm/deepinfra/deepseek-ai/deepseek-v4.1-flash | deepinfra-models (first-party) | 0.20 | 0.60 | differs differs by +122.2% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/above/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.165 | 0.66 | differs differs by +83.3% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/aiand/deepseek-ai/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.30 | 0.60 | differs differs by +233.3% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/aihubmix/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.155 | 0.62 | differs differs by +72.2% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/aimlapi/deepseek/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.30 | 1.20 | differs differs by +233.3% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/alibaba-cn/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.2975 | 1.1902 | differs differs by +230.6% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/alibaba-token-plan-cn/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/alibaba-token-plan/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/amd/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/arcee/deepseek/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.22 | 0.66 | differs differs by +144.4% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/azure-cognitive-services/deepseek-v4.1-flash | modelsdev (community cross-check) | 0.30 | 1.20 | differs differs by +233.3% | 2026-10-23T23:39:40+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-15T22:54:23+00:00 | USD 0.09 | 0.09 | 0.0803 | 0.30 | #356 |
| 2026-09-26T22:40:16+00:00 | USD 0.15 | 0.15 | 0.1315 | 0.60 | #315 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-15T22:54:23+00:00 between 2026-10-14 and 2026-10-15 |
Price change input, per 1M tokens | 0.15 → 0.09 USD (-40.0%) |
| 2026-09-26T22:40:16+00:00 between 2026-09-25 and 2026-09-26 |
New SKU | 0.15 USD |
API: /v1/skus/llm/sail/deepseek-ai/DeepSeek-V4.1-Flash
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). sail deepseek-ai/DeepSeek-V4.1-Flash [data as of 2026-10-24]. https://infrarabbit.com/llm/sail/deepseek-ai/DeepSeek-V4.1-Flash (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_sail_deepseek_ai_deepseek_v4_1_flash_2026,
author = {{InfraRabbit}},
title = {sail deepseek-ai/DeepSeek-V4.1-Flash},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/sail/deepseek-ai/DeepSeek-V4.1-Flash}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}