whatmodel.sh / Ornith 1.5 35B-A3B

Ornith 1.5 35B-A3B is an open-weights language model from DeepReinforce, released August 2026. Its published size is 35.95B parameters (3B active per token) and a 262k-token context window. Licence: mit.

Catalogue identity notes

DeepReinforce's Ornith 1.5 35B-A3B (ornith-ai/Ornith-1.5-35B-A3B @10fbf86, created 2026-08-18, MIT). Lab rows from its own card table, which also prints the same-lab Ornith 1.0 35B column (anchored to other makers through Kwaipilot's independent Ornith-1.0-35B run).

Model information sources

Release date ↗ · Weights licence ↗

HF safetensors metadata 35,951,822,704 parameters; active 3B from the maker's 'A3B' naming. ollama: 35.5B LM + 447M vision projector.

70.6±1.5#78 of 719 LLMsfrom 12 benchmark results across 1 source

$ how it compares

The LLMs ranked either side of Ornith 1.5 35B-A3B, out of 828 with a score, then more from DeepReinforce.

#modelscorewhereRAMreleased
81GLM-5.1 Z.ai71±1api $2.15/M +local~119GB2026-04
82Qwen3.5 397B-A17B Alibaba71±0api $1.09/M +local~65GB2026-02
83Ornith 1.5 35B-A3B DeepReinforce71±2local~22GB2026-08
84MiniMax-M3 MiniMax70±1api $0.48/M +local~137GB2026-06
85Grok 4.3 SpaceXAI (xAI)70±1api $1.56/M2026-04
more from DeepReinforce
122Ornith 1.0 35B (35B-A3B) DeepReinforce68±1local~23GB2026-06

see all LLMs · find the ones that fit your machine

$ what it's good at

agent tasks▁▁▃▆█▆▅▅▅▄▃▁ #67 of 300 · 68% of its score · 9 tests

Beats Gemini 3.6 Flash, GPT-5 Pro, LongCat 2.0 (1.6T-A48B) here, though they rank higher overall. Trails MiMo-V2.5 (310B-A15B), MiniMax-M3 here, though they rank lower overall.

testresultvs the others in its rundifficultycountswhy
SWE-bench Pro (split unspecified) lab59.6% ✎▃·▁▁▁▂▂▃█▇▃▁ beats 40/55very hard · avg 10%▇▇▇▇▇ 13%sharp · at its level · small run
SWE-bench Verified lab79.0% ✎▁▁▁▁▁▁▂▄█▆▁▁ beats 123/131hard · avg 26%▇▇▇▇ 11%sharp · small run
Terminal-Bench 2.1 lab67.8% ✎▁·▁·▁▁▄▃▄█▃▇ beats 33/56hard · avg 18%▇▇▇▇ 10%at its level · small run
SWE-bench Multilingual lab71.4% ✎▁··▁▃▂▅▇█▃▃▁ beats 36/60hard · avg 28%▇▇▇ 7.3%at its level · small run
BrowseComp lab67.6% ✎▂·▄▁▂▃▆▄█▂▃▄ beats 30/42hard · avg 23%▇▇▇ 7.0%at its level · small run
MCP-Atlas (public set) lab70.2% ✎▂·▁▂▁·▁▃█▆▆▂ beats 25/37hard · avg 29%▇▇▇ 6.5%at its level · small run
Humanity's Last Exam with tools lab33.4% ✎▂▂▂▁▄▂▃▆█▇▂▆ beats 12/54very hard · avg 13%▇▇ 5.4%at its level · small run
WideSearch lab67.8% ✎█·▂▆··▂···▂▂ beats 6/10medium · avg 35%▇▇ 4.5%at its level · small run
1 more test
testresultvs the others in its rundifficultycountswhy
Toolathlon-Verified lab48.7% ✎▂·▂▂▅▃···▂██ beats 4/18hard · avg 27%▇ 3.5%blunt · at its level · small run
coding▁▁▁▃▆██▇▆▄▃▁ #61 of 458 · 31% of its score · 3 tests

Beats DeepSeek V4 Flash Vision (Exp), Gemini 3.1 Pro (Preview), GPT-5.2 here, though they rank higher overall. Trails MiMo-V2.5-Pro (1T-A42B), MiniMax-M3 here, though they rank lower overall.

testresultvs the others in its rundifficultycountswhy
SWE-bench Pro (split unspecified) lab59.6% ✎▃·▁▁▁▂▂▃█▇▃▁ beats 40/55very hard · avg 10%▇▇▇▇▇ 13%sharp · at its level · small run
SWE-bench Verified lab79.0% ✎▁▁▁▁▁▁▂▄█▆▁▁ beats 123/131hard · avg 26%▇▇▇▇ 11%sharp · small run
SWE-bench Multilingual lab71.4% ✎▁··▁▃▂▅▇█▃▃▁ beats 36/60hard · avg 28%▇▇▇ 7.3%at its level · small run
web search█··········█ #1 of 2 · 17% of its score · 3 tests
testresultvs the others in its rundifficultycountswhy
BrowseComp lab67.6% ✎▂·▄▁▂▃▆▄█▂▃▄ beats 30/42hard · avg 23%▇▇▇ 7.0%at its level · small run
Humanity's Last Exam with tools lab33.4% ✎▂▂▂▁▄▂▃▆█▇▂▆ beats 12/54very hard · avg 13%▇▇ 5.4%at its level · small run
WideSearch lab67.8% ✎█·▂▆··▂···▂▂ beats 6/10medium · avg 35%▇▇ 4.5%at its level · small run
other tests3 not in a task · 31% of its score
testresultvs the others in its rundifficultycountswhy
GPQA Diamond lab89.2% ✎▁▁▁▁▂▄▅▅███▄ beats 258/310hard · avg 45%▇▇▇▇▇▇ 15%sharp · small run
Humanity's Last Exam lab25.6% ✎▁▁▁▃▆▆▇██▆▁▃ beats 61/104very hard · avg 4.8%▇▇▇▇ 8.8%at its level · small run
NL2Repo lab46.2% ✎▂▂·▂▂▄█▆▆▂▄▆ beats 15/21very hard · avg 11%▇▇▇ 7.0%at its level · small run

$ where to run it

llama.cpp · recommended

version

  1. Install llama.cpp · Homebrew and winget installs name the commands llama-cli and llama-server instead.
    macOS / Linux
    curl -LsSf https://llama.app/install.sh | sh
    Windows
    irm https://llama.app/install.ps1 | iex

    other ways to install ↗

  2. Run Ornith 1.5 35B-A3B · needs ~21.7 GB · from huggingface.co/ornith-ai (official)
    chat in the terminal
    llama cli -hf ornith-ai/Ornith-1.5-35B-A3B-GGUF:Q4_K_M
  3. Or start a local server and open the address it prints (http://localhost:9931)
    llama serve -hf ornith-ai/Ornith-1.5-35B-A3B-GGUF:Q4_K_M

LM Studio

version

  1. Install LM Studio · Open the app once before using the lms command.

    download it (macOS / Windows / Linux) ↗

  2. Run Ornith 1.5 35B-A3B · needs ~21.7 GB · from huggingface.co/ornith-ai (official)

    open in LM Studio ↗

  3. Or download it in the terminal
    lms get https://huggingface.co/ornith-ai/Ornith-1.5-35B-A3B-GGUF@Q4_K_M -y
  4. Then run lms ls to see its name, and lms chat followed by that name

Ollama

  1. Install Ollama

    download it (macOS / Windows) ↗

    Linux
    curl -fsSL https://ollama.com/install.sh | sh
  2. Run Ornith 1.5 35B-A3B · needs ~23 GB · from ollama.com
    chat in the terminal
    ollama run ornith-1.5:35b

MLX (Mac)

version

  1. Install MLX (Mac) · Apple silicon Macs only, text only.
    with uv
    uv tool install mlx-lm
    or
    pip install mlx-lm
  2. Run Ornith 1.5 35B-A3B · needs ~19.5 GB, Mac only · from huggingface.co/ornith-ai (official)
    chat in the terminal
    mlx_lm.chat --model ornith-ai/Ornith-1.5-35B-A3B-MLX-4bit
  3. Or start an OpenAI-compatible server at http://localhost:8080/v1
    mlx_lm.server --model ornith-ai/Ornith-1.5-35B-A3B-MLX-4bit

Official weights and documentation: huggingface.co/ornith-ai ↗

$ how the score was worked out · ornith-ai/Ornith-1.5-35B-A3B… 99%

Each result implies a score on its own, after adjusting for how hard its test is and who ran it. The score is their weighted average, with a small pull toward the middle for thinly tested models. Each test's weight is its counts column above; here it's added up by who ran the tests. How it works

sourceresultsshare of the scorelicence
ornith-ai/Ornith-1.5-35B-A3B model card · lab-reported12▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 99%MIT
prior · pull toward the middle▇ 1%
weighted average= 70.6

$ improve this page

Use a short GitHub form or edit the data through a pull request. Every number needs a source; here's which ones we can use.

data updated · sources and licences · json