# Qwen3.8 2.4T A95B

Qwen3.8 2.4T A95B is a text generation model from Qwen, available through the Impossibl API. Its published context window is 262,144 tokens. The advertised input rate is $1.20 per million input tokens. The advertised output rate is $1.20 per million output tokens.

- Model identifier: ` qwen/qwen3.8-2.4t-a95b `
- Creator: Qwen
- Model type: Text generation
- Canonical model page: [Qwen3.8 2.4T A95B](<https://impossibl.com/qwen/qwen3.8-2.4t-a95b>)
- API availability: Listed as serving through Impossibl.
- Creator release date: 2026-08-12

## Capabilities and limits

- Context window: 262,144 tokens
- Maximum output tokens: Not published in the public catalog; this is separate from the context window.
- Inputs: text
- Outputs: text
- Tool calling: Not published

## API access

Use ` qwen/qwen3.8-2.4t-a95b ` as the model identifier through the Impossibl API.

Published API endpoints:

- ` /v1/chat/completions `

[API quickstart](<https://impossibl.com/docs/agent-quickstart>) · [Models and billing documentation](<https://impossibl.com/docs/models>)

## Published API prices

All rates are in USD. An unpublished rate is unknown, not zero. Workspace-specific pricing, taxes, balance-purchase fees, billing adjustments, and tool charges can affect the amount paid.

| Usage | Published base rate | Billing unit |
| --- | --- | --- |
| Input | $1.20 | per million input tokens |
| Output | $1.20 | per million output tokens |
| Cache read | $0.60 | per million cached input tokens |
| Cache write (default retention) | Not published | per million tokens |
| Cache write (one-hour retention) | Not published | per million tokens |
| Audio input | Not published | per million audio input tokens |

## Independent benchmarks

Source: [Artificial Analysis](<https://artificialanalysis.ai/>). Last checked: 2026-09-11T12:23:22.823Z.
Configurations are evaluated separately. API scores retain their original units. Unmeasured scores are omitted.

### Qwen3.8 2.4T A95B

Source: [Evaluation source](<https://artificialanalysis.ai/models/qwen3-8-2-4t-a95b>)

| Benchmark | Score |
| --- | --- |
| Intelligence Index | 40.04 |
| Omniscience Index | 4.32 |
| GPQA | 93.54% |
| Humanity’s Last Exam | 42.45% |
| SciCode | 54.05% |
| CritPt | 20.00% |
| Terminal-Bench v2.1 | 82.02% |
| Terminal-Bench v4.0 | 11.11% |
| AA-LCR | 80.33% |
| Multilingual LCR | 0.00% |
| GDPval Elo | 1627.82 |
| GDP.pdf All-pass | 15.60% |
| AutomationBench Partial | 57.25% |
| Tau Banking | 49.07% |
| coding index (API) | 71.9 |
| agentic index (API) | 50.4 |
| intelligence index (API) | 40 |

Full benchmark data and breakdowns: [Complete benchmark snapshot](<https://api.impossibl.com/v1/models/qwen/qwen3.8-2.4t-a95b/benchmarks>).


## Availability and retirement

The model is listed as serving. No retirement is announced in the current public catalog.

## Frequently asked questions

### What is Qwen3.8 2.4T A95B?

Qwen3.8 2.4T A95B is a text-generation model from Qwen, available through the Impossibl API.

### How much does Qwen3.8 2.4T A95B cost?

Qwen3.8 2.4T A95B costs $1.20 per million input tokens and $1.20 per million output tokens through the Impossibl API. Cache reads cost $0.60 per million tokens. All rates are in USD.

### What is the context length of Qwen3.8 2.4T A95B?

Qwen3.8 2.4T A95B has a 262,144-token context window through the Impossibl API.

### What inputs and outputs does Qwen3.8 2.4T A95B support?

Qwen3.8 2.4T A95B accepts text as input. Qwen3.8 2.4T A95B returns text.

### How do I use Qwen3.8 2.4T A95B through an API?

Qwen3.8 2.4T A95B is available through the Impossibl API. Use qwen/qwen3.8-2.4t-a95b as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

### When was Qwen3.8 2.4T A95B released?

Qwen released Qwen3.8 2.4T A95B on August 12, 2026.

Sources: [Creator release announcement](<https://github.com/QwenLM/Qwen3.8/blob/main/README.md>)

## Sources and related links

Prices, limits, capabilities, endpoints, and availability come from the public Impossibl catalog. Creator documentation supplies descriptions and release dates where available; it does not override the published API offering.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [Qwen3.8 2.4T A95B: model details and pricing](<https://impossibl.com/qwen/qwen3.8-2.4t-a95b>)
- [Model directory](<https://impossibl.com/models>)