Apertus 8B Instruct

by Swiss AIChat

Fully open 8B multilingual LLM supporting 1800+ languages with 65K context. Trained on compliant open data. Apache 2.0, EU AI Act compliant.

Context
65.5K tokens
Max output
8,192 tokens
Released
2025-09-02
Weights
Open

swiss-ai/apertus-8b · also seen as publicai/apertus-8b-instruct

Specifications

Full facts as recorded, incl. what is unknown.

Released
2025-09-02
Weights
Open
Input
Text
Output
Text
Context window
65,536 max across endpoints
Max output
8,192
Providers
0 + 1 gateway, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
$0.10 in at LLMTR, via gateway, fees not verified
More details
Last updated
2025-09-02
Knowledge cutoff
2025-09

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured outputunknown
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt cachingunknown
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

Loading endpoints…

Cost calculator

Loading endpoints…

Similarly priced models

Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs Apertus 8B Instruct
Qwen2.5 7B InstructAlibaba (Qwen)$0.117$0.10$0.20131K+0%
UI-TARS 7BByteDance Seed$0.117$0.10$0.20128K+0%
LFM2.5-2.6BLiquid AI$0.117$0.10$0.20128K+0%
Muse Spark 1.3 ContributorMeta$0.117$0.10$0.201.05M+0%
Reka Flash 3Reka$0.117$0.10$0.2065.5K+0%
GLM-4.7-FlashZ.ai (Zhipu AI)$0.117$0.06$0.40200K+0%
GLM-4.7-FlashXZ.ai (Zhipu AI)$0.117$0.06$0.40200K+0%
Qwen3 30B A3b fp8Alibaba (Qwen)$0.115$0.08$0.29129K−1% cheaper

More from Swiss AI

Newest Swiss AI models in the catalogue. All Swiss AI models

ModelReleasedContextListed price
Apertus v1.5 70B2026-07-24100Kfrom $0.87
Apertus 70B Instruct2025-09-0265.5Kfrom $0.46
Apertus-8B-Instruct-2509——from $0.10
Apertus-70B-Instruct-2509——from $0.82
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model