Access Trio-Spark DI (research, non-commercial)

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Trio-Spark DI (research checkpoint)

Trio-Spark DI is a research checkpoint of MachineFi's Trio-Spark decision model, trained for the Decision Index typed-decision protocol: given a state and typed questions with explicit options, it returns a probability for every option.

  • Base model: Qwen/Qwen3.5-9B (Apache-2.0).
  • Weights: model-0000{1..4}-of-00004.safetensors (bf16, with the base model's vision tower) load in Transformers and vLLM as Qwen3_5ForConditionalGeneration; these are the weights evaluated on the vision board. trio-spark-di-q8_0.gguf (Q8_0, about 9.5 GB, sha256 42edc59bโ€ฆ) is the same checkpoint (DI14), text only, as evaluated on the text board; trio-spark-di-q4_k_m.gguf (Q4_K_M, about 5.6 GB) is the same at 4 bits and scores lower.
  • Text and images. The bf16 weights take images through the base model's vision tower; the GGUF files are text only. The hosted Trio-Spark API (v1.3) is a different, production model; this checkpoint is not what the API serves.

Decision Index 0.3 (public suite, self-run)

Decision Index Knowledge Language Retrieval Tools Arts
Trio-Spark DI (DI14, Q8_0), full public suite 56.74 40.4 60.0 59.4 79.3 43.9
Trio-Spark DI (DI14, Q4_K_M), full public suite 55.50 39.2 59.4 58.7 76.4 42.7

All 140,178 requests of the public 0.3 suite, run with the official kit against the server in serve/ (18 requests longer than 8,192 tokens refused, none truncated). The server is deterministic: the same request always gets the same answer. Submitted to the Decision Index leaderboard; the official score also includes private test sets and may differ.

Decision Index vision (public suite, self-run)

Vision index CV-Bench BLINK RealWorldQA CharXiv InfographicVQA Mind2Web Winoground KIE Moderation R-Bench-M MMMU-Pro
Trio-Spark DI (bf16) 67.07 76.1 52.3 68.1 71.7 93.4 70.9 80.2 92.3 27.1 25.5 35.7

All 12,210 rows of the public vision suite, run with the kit's reference vllm-vl engine (images up to 1.6 MP). Submitted to the Decision Index vision leaderboard; the official score also includes private test sets and may differ.

Earlier text checkpoints

Earlier checkpoints (Q4_K_M), on a 12,001-request stratified sample of the same suite:

Decision Index Knowledge Language Retrieval Tools Arts
Trio-Spark DI (DI14) 54.47 38.1 55.8 58.4 77.3 43.8
Trio-Spark DI (DI13, tag di13) 54.08 38.6 54.5 58.2 76.6 43.7

Running it

Trio-Spark DI is not a chat model. It answers through its decision prompt and reads a probability for every option from the model's next-letter scores, so plain chat prompts will not reproduce the scores above.

Images (bf16 weights). Use vLLM or Transformers; the chat template has thinking off by default (enable_thinking=true turns it on). The vision score above comes from the Decision Index kit's reference engine:

python -m decision_index vision pipeline --dir work/vision --engine vllm-vl --option model=MachineFi/Trio-Spark-DI --out runs/trio-spark-di-vision

Text (GGUF). The /v1/systemone server used for the text evaluation is in serve/: llama.cpp (release b11249, CUDA 12.8) with one slot per server and a small Python front end (standard library only) that evaluates the questions of a request in order and clears the slot between requests, so answers do not depend on what ran before. It is compatible with the Decision Index kit's http engine.

hf download MachineFi/Trio-Spark-DI --include "trio-spark-di-q8_0.gguf" "serve/*" --local-dir trio-spark-di
bash trio-spark-di/serve/setup.sh $PWD/trio-spark-di/trio-spark-di-q8_0.gguf
# then, from the Decision Index kit:
python -m decision_index pipeline --engine http --option base_url=http://127.0.0.1:8800 --option model=trio-spark --out runs/trio-spark-di

Text server limits: up to 8,192 tokens per decision prompt (longer requests are refused, never truncated); questions with more than 8 options are decided by an 8-way tournament (groups of 8, then a final over the group winners), so no option is dropped.

License

The weights are released under CC BY-NC 4.0: free for research and evaluation with attribution, no commercial use. For commercial use, use the hosted Trio-Spark API or contact MachineFi. The base model Qwen3.5-9B is Apache-2.0; its license and notice apply to the base weights (see NOTICE). Full license text: LICENSE.

The hosted, production model is documented at MachineFi/Trio-Spark.

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