modelsdev DeepSeek V3.1 Terminus (helicone/deepseek-v3.1-terminus)
modelsdev DeepSeek V3.1 Terminus costs USD 0.27 per 1M input tokens and USD 1.00 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-24 05:42 UTC.
Last verified 2026-10-24T05:42:41+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 0.27 / 1M tokens
- Output
- USD 1.00 / 1M tokens
- Cached input
- USD 0.216 / 1M
- This price since
- 2026-10-19T22:42:32+00:00
- FX used
- 1 EUR = 1.1225 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 128,000
- Max output
- 16,384
- Open weights
- no
- Reasoning
- yes
- Source kind
- community
- Vendor
- helicone
- 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/helicone/deepseek-v3.1-terminus
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/abacus/deepseek-ai/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/alibaba-cn/siliconflow/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/kilo/deepseek/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/nano-gpt/deepseek-ai/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.25 | 0.70 | differs differs by -7.4% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/nano-gpt/deepseek-ai/deepseek-v3.1-terminus:thinking | modelsdev (community cross-check) | 0.25 | 0.70 | differs differs by -7.4% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/openrouter/deepseek/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/qiniu-ai/deepseek/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.5797 | 1.7391 | differs differs by +114.7% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/siliconflow-cn/deepseek-ai/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.5978 | 1.7934 | differs differs by +121.4% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/siliconflow-cn/pro/deepseek-ai/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.5978 | 1.7934 | differs differs by +121.4% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/siliconflow/deepseek-ai/deepseek-v3.1-terminus | modelsdev (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/openrouter/deepseek/deepseek-v3.1-terminus | openrouter (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T04:57:20+00:00 |
| llm/deepinfra/deepseek-ai/DeepSeek-V3.1-Terminus | litellm (community cross-check) | 0.27 | 1.00 | agrees | 2026-10-24T04:57:20+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-19T22:42:32+00:00 | USD 0.27 | 0.27 | 0.2405 | 1.00 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
No changes recorded since first seen.
API: /v1/skus/llm/modelsdev/helicone/deepseek-v3.1-terminus
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev DeepSeek V3.1 Terminus [data as of 2026-10-24]. https://infrarabbit.com/llm/modelsdev/helicone/deepseek-v3.1-terminus (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_helicone_deepseek_v3_1_terminus_2026,
author = {{InfraRabbit}},
title = {modelsdev DeepSeek V3.1 Terminus},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/helicone/deepseek-v3.1-terminus}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}