Specifications
Context Window
—
Input Price/1M
$0.10
Output Price/1M
$0.20
Parameters
—
Benchmarks
Apertus 8B Instruct results on the main AI model evaluation benchmarks. Higher scores indicate better performance.
Agentic
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| Terminal-Bench Hard | 0.0 | 100.0 | — |
Coding
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| SciCode | 4.0 | 100.0 | — |
| AA Coding Index | 1.4 | 100.0 | Artificial Analysis official API |
Long Context
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA-LCR | 0.0 | 100.0 | — |
overall
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA Intelligence Index | 1.0 | 100.0 | Artificial Analysis official API |
Reasoning
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| GPQA Diamond | 26.0 | 100.0 | Artificial Analysis official API |
| IFBench | 22.0 | 100.0 | — |
| HLE | 5.0 | 100.0 | — |
Tool Use
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| Tau²-Bench | 11.0 | 100.0 | — |
Information
- Release date
- September 02, 2025
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: Apertus 8B Instruct
What is Apertus 8B Instruct?
Apertus 8B Instruct is an AI model developed by Swiss AI Initiative, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Swiss AI Initiative's cloud API.
Pricing & Costs in 2026
Apertus 8B Instruct is usage-based, priced at $0.1/1M input tokens and $0.2/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. At this aggressive price point, it is one of the most cost-effective options on the market, ideal for high-volume applications like chatbots, bulk document analysis, and automation.
Benchmarks & Performance
Apertus 8B Instruct was evaluated on 9 different benchmarks, covering categories like Agentic, Coding, Long Context, overall, Reasoning, Tool Use. Results show moderate performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Apertus 8B Instruct specializes in text, offering advanced capabilities for creating and processing text content.
Comparison with Alternatives
In the 2026 AI model ecosystem, Apertus 8B Instruct competes directly with similarly capable models. Swiss AI Initiative competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is Apertus 8B Instruct?
Apertus 8B Instruct is an AI model developed by Swiss AI Initiative. It is a text model.
How much does Apertus 8B Instruct cost?
Apertus 8B Instruct costs $0.1/1M input tokens and $0.2/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.
How does Apertus 8B Instruct compare with other models?
In available benchmarks, Apertus 8B Instruct scored: Terminal-Bench Hard: 0/100, SciCode: 4/100, AA Coding Index: 1.4/100. See the full table above for a detailed comparison.
Is Apertus 8B Instruct open source?
No, Apertus 8B Instruct is a proprietary model from Swiss AI Initiative. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is Apertus 8B Instruct best for?
Apertus 8B Instruct excels at general-purpose language tasks.
Last updated: June 22, 2026 • View methodology →