Apertus 1.5 Released: Multimodal Input and 4x Context Window
ZhijingJin · x · 2026-07-30
The open-source LLM Apertus 1.5 has been officially released with the following major upgrades:
- Available in 8B and 70B parameter sizes.
- Supports multimodal input (text, image, audio).
- Context window expanded to 4x its previous size.
- Adds optional thinking mode and improved tool use capabilities.
The model has surpassed 3.2 million downloads.
More from Models
- Test Shows Claude Code Consumes 6x More Tokens Per Task Than Kimi Code — zainhas · 2026-07-30
- Kimi K3 vs GPT-5.6: Generating Playable Games with Working Combat Systems — aftahi_ai · 2026-07-30
- Local RAG Resilience Tested: Llama Holds Firm, Mistral Folds to Poisoned Data — arcandor · 2026-07-30
- LLM Tool Calls Are the New Black Box: Can Models Restrain Unnecessary Calls? — NickPassig · 2026-07-30
- Clarification: Claude Base Model Outputs Are User Modeling, Not True Thoughts — cephaloform · 2026-07-30
- Claude Sonnet Doesn't Know Fable 5, User Says AGI is Far Off — TJLarkin23 · 2026-07-30