Model reference · open weights

Ornith-1.5-Heretic-MTP-APEX

Ornith-1.5-Heretic-MTP-APEX is an open-weight language model from SC117, listed in the AxForge catalogue. AxForge can bring it up on EU-owned hardware for you on request — with the licence handled where one is required.

LLMs SC117 1 variants 19k downloads/mo
Request this model on EU hardware All served models Not on the shared API today — deployed on request.

About

What Ornith-1.5-Heretic-MTP-APEX is

./llama-server -m ./models/Ornith-1.5-35B-A3B-Heretic-MTP-APEX-I-Compact.gguf --mmproj ./models/mmproj-Ornith-1.5-35B-A3B-Heretic-MTP-BF16.gguf -ngl 99 -c 131072 --draft-mtp</p</div</div Links - Original Model: https://huggingface.co/ornith-ai/Ornith-1.5-35B-A3B - Replacement MTP head: https://huggingface.co/shisa-ai/Ornith-1.5-35B-A3B-MTP-ONLY - Heretic: https://github.com/p-e-w/heretic - APEX Quantization: https://github.com/mudler/apex-quant Citation

Summarised from the published model card. Read the full card on the HuggingFace links below.

Specifications

What it is

MakerSC117
TypeLanguage models
Variants1
Runs withtransformers
Based onornith-ai/Ornith-1.5-35B-A3B
Released2026-08-22
Popularity19k downloads / month
Likes32
LicenceOpen weights

How it works

How language models work

Your prompttext / messagesTransformerattention over tokensNext-token loopgenerate + streamResponsetext · tool callsA language model reads your tokens and predicts the next one, again and again, streaming the reply back.

Variants

Sizes & precisions

Open weights ship in several sizes and precisions. One page, all the variants — pick the one that fits your GPU. VRAM figures are estimates from model size.

VariantParamsPrecisionVRAMFits 16 GBWeights
Ornith-1.5-35B-A3B-Heretic-MTP-APEX-GGUFGGUFWeights ↗

Using it via the API

Call it like any OpenAI endpoint

Once AxForge deploys ornith-1-5-heretic-mtp-apex for you, it answers on the OpenAI-compatible API — the same base URL and keys as every other model. (ornith-1-5-heretic-mtp-apex below is illustrative; you get the exact model name on deployment.)

$ curl -sS https://api.axforge.ai/v1/chat/completions \
  -H "Authorization: Bearer $AXFORGE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"ornith-1-5-heretic-mtp-apex","messages":[{"role":"user","content":"Hello"}]}'

Details

Languages, data & research

Tags

transformers gguf qwen3_5_moe reasoning agentic-coding heretic mtp apex quantization multimodal text-generation endpoints_compatible

Licence

Open weights

Open weights under mit — commercial use is permitted. Deploy it on AxForge EU hardware on request. Read the licence ↗

Sources

Weights & code

Want Ornith-1.5-Heretic-MTP-APEX on EU-owned hardware?

Request this model on EU hardware See what’s served now

Explore

More language models

© 2026 AxForge · EU-hosted AI infrastructure Pricing Docs Trust Privacy Terms