modelsdev Qwen3.5 4B (thinkingmachines/qwen/qwen3.5-4b:peft:262144)
modelsdev Qwen3.5 4B costs USD 0.33 per 1M input tokens and USD 1.005 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-24 17:47 UTC.
Last verified 2026-10-24T17:47:11+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 0.33 / 1M tokens
- Output
- USD 1.005 / 1M tokens
- Cached input
- USD 0.066 / 1M
- This price since
- 2026-10-21T11:04:32+00:00
- FX used
- 1 EUR = 1.1234 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 262,144
- Max output
- 262,144
- Open weights
- yes
- Reasoning
- yes
- Source kind
- community
- Vendor
- thinkingmachines
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-21T11:04:32+00:00
- SKU id
llm/modelsdev/thinkingmachines/qwen/qwen3.5-4b:peft:262144
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/empiriolabs/qwen3-5-4b | modelsdev (community cross-check) | 0.04 | 0.07 | differs differs by -87.9% | 2026-10-24T17:47:11+00:00 |
| llm/modelsdev/merge-gateway/qwen/qwen3.5-4b | modelsdev (community cross-check) | 0.04 | 0.07 | differs differs by -87.9% | 2026-10-24T17:47:11+00:00 |
| llm/modelsdev/qvac/qwen3.5-4b | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-24T17:47:11+00:00 |
| llm/modelsdev/siliconflow-cn/qwen/qwen3.5-4b | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-24T17:47:11+00:00 |
| llm/modelsdev/thinkingmachines/qwen/qwen3.5-4b | modelsdev (community cross-check) | 0.33 | 1.005 | agrees | 2026-10-24T17:47:11+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-21T11:04:32+00:00 | USD 0.33 | 0.33 | 0.2938 | 1.005 | #561 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-21T11:04:32+00:00 between 2026-10-21 and 2026-10-21 |
New SKU | 0.33 USD |
API: /v1/skus/llm/modelsdev/thinkingmachines/qwen/qwen3.5-4b:peft:262144
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev Qwen3.5 4B [data as of 2026-10-24]. https://infrarabbit.com/llm/modelsdev/thinkingmachines/qwen/qwen3.5-4b:peft:262144 (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_thinkingmachines_qwen_qwen3_5_4b_peft_262144_2026,
author = {{InfraRabbit}},
title = {modelsdev Qwen3.5 4B},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/thinkingmachines/qwen/qwen3.5-4b:peft:262144}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}