HyperNova 60B 2605

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Optimized for Efficient Inference · Reduced Memory Footprint · Native Tool Calling Support


Table of Contents


Model Overview

HyperNova 60B 2605, developed by Multiverse Computing, is an open-weight model designed for powerful general reasoning, coding, and versatile developer use.

The model is instruction-tuned and supports native tool calling (function calling with defined schemas, structured outputs, and agent-style workflows). HyperNova 60B 2605 is intended for code generation, RAG, and tool-augmented applications.

Technical Deep Dive

For a detailed explanation of the compression architecture, model compression process, and benchmark results behind Hypernova-60B, read this full technical article by Johanna Angulo, Evaluation Manager at Multiverse Computing.


Key Characteristics

Characteristic Description
🛠️ Tool calling Native support; OpenAI-style function / tool calling schemas; suited to coding agents and structured outputs
🧠 Parameters 60B total parameters
📐 Architecture Decoder-only Transformer
Primary language English
Other languages Not formally evaluated

Quick Start

This model can be loaded with the Transformers API. Use trust_remote_code=True (required for the gpt-oss architecture). Recommended approach: AutoModelForCausalLM with apply_chat_template:

import torch
from transformers import AutoModelForCausalLM, AutoTokenizer
model_id = "MultiverseComputingCAI/HyperNova-60B-2605"
tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    device_map="auto",
    torch_dtype="auto",
    trust_remote_code=True,
)
messages = [{"role": "user", "content": "What is a Hypernova?"}]
inputs = tokenizer.apply_chat_template(
    messages,
    return_tensors="pt",
    add_generation_prompt=True,
)
inputs = inputs.to(model.device)
attention_mask = torch.ones_like(inputs, dtype=torch.long, device=inputs.device)
outputs = model.generate(
    inputs,
    max_new_tokens=512,
    do_sample=True,
    temperature=0.7,
    attention_mask=attention_mask,
)
reply = tokenizer.decode(outputs[0][inputs.shape[1]:], skip_special_tokens=True)
print(reply)

Alternatively you can use the pipeline API with trust_remote_code=True; the pipeline returns the full conversation structure, so extract the assistant message from outputs[0]["generated_text"] as needed.


What’s New in HyperNova 60B 2605

HyperNova 60B 2605 is an improved version of HyperNova 60B 2602, with this release focused on coding and general capability backed by higher scores on several benchmarks.

Summary

  • Improvement focus vs HyperNova 60B 2602: stronger coding (coding-style tasks) and general benchmark performance.
  • Tool use: Retains native support for function calling, structured outputs, and agent-style workflows (OpenAI-style schemas).
  • Reasoning: Compatible with configurable reasoning effort (e.g. low / medium / high in system prompt) where the format is preserved; full chain-of-thought available for debugging and analysis.
  • Evaluated on coding and tool-heavy benchmarks (e.g. Tau2-bench, Terminal-Bench) alongside general intelligence benchmarks.

Tool Calling

HyperNova 60B 2605 supports native tool use and is well-suited for:

  • Function calling with defined schemas
  • Structured outputs
  • Coding-oriented tool workflows (e.g. browser tasks, code execution where supported)

The model can detect when to invoke tools, emit structured JSON tool calls, and consume tool outputs to continue generation. Tool-calling behavior follows OpenAI-style schemas; compatibility refers to format and structure—exact parity with the base or other models is not guaranteed. Compared with HyperNova 60B 2602, this release improves on coding and general evaluation tracks—including IFBench, Tau2-bench, Terminal Bench, and AA-LCR under the high-reasoning setup reported below.

Example Tool Call

{
  "name": "get_weather",
  "arguments": {
    "city": "Paris",
    "date": "2026-02-10"
  }
}

Architecture

Model Specifications

Specification Value
Total parameters 60B, 4.8B active MoE

Evaluation

Benchmarks Results

HyperNova 60B Benchmark Comparison

GPT-OSS-120B Gemma4-31BHyperNova 60B 2602 Gemma4-26BA4BHyperNova 60B 2605 Qwen3.6-35BA3B
Knowledge & Reasoning
HLE 18.5 7.3 15.0
MMLU-Pro 79.6 74.3 76.8
AIME25 93.7 86.0 90.0
GPQA:d 74.6 65.6 71.9
IFBench 67.0 59.4 66.6
AA-LCR 49.0 35.7 40.3
Agent & Tool Use
Tau2-bench Telecom 63.7 60.5 61.7
Coding
SciCode 41.5 33.5 36.0
LiveCodeBench 62.8 51.5 68.7
Terminal Bench 24.2 12.1 15.9
AIDER 43.6 26.2 34.2

Benchmarks

CodingBenchmarks

Evaluation Methodology

Benchmark scores were obtained with the following setups. Methodology varies by benchmark family.

Inference:

  • Backend: VLLM 0.13.0
  • Decoding: temp 1.0, top_p 1.0
  • Reasoning Effort: high
Benchmark Framework Repeats Other
HLE NeMo-Skills 1 Judge: openai/gpt-4o
MMLU-Pro NeMo-Skills 1
AIME25 NeMo-Skills 10
GPQA:d NeMo-Skills 5
LiveCodeBench NeMo-Skills 3 Split: test_v5_2407_2412 (Jul–Dec 2024)
IFBench NeMo-Skills 5
AA-LCR NeMo-Skills 3 Judge: Qwen/Qwen3-235B-A22B-Instruct-2507 (judge temp 0.7, top_p 0.8).
SciCode NeMo-Skills 3
Tau2-bench (Telecom) EvalScope 1.4.1 3 Judge / user simulator: temperature 0.7, timeout 600. Subset: telecom (default). Max steps: 100. Tool-call parser: openai (agent), hermes (judge).
Terminal-Bench Hard laude-institute/harbor 0.1.43 3 max-model-len 131072. Subset: Artificial Analysis. Agent: terminus-2. Max episodes: 100
Aider polyglot Aider-AI/aider 2 Dataset: polyglot-benchmark (225 exercises). Edit format: whole. Leaderboard-aligned; --tries=2.
StereoSet inspect-ai 0.3.205 + inspect_evals 0.3.106 1 Multiple-choice / logprob; no external judge. Dataset: 2,115 examples (gender, profession, race, religion). Metrics: stereotype_score (50 = ideal), language_model_score, ICAT.
BBQ inspect-ai 0.3.205 + inspect_evals 0.3.106 1 Multiple-choice; no external judge. Full dataset: 58,492 MCQ across 11 bias dimensions. Metric: accuracy.
StrongREJECT inspect-ai 0.3.205 + inspect_evals 0.3.106 1 Dataset: 313 forbidden prompts. Judge: openrouter/openai/gpt-4o. Metrics: jailbreak_rate, strong_reject_metric (0.0 = ideal). max_retries: 3.
XSTest inspect-ai 0.3.205 + inspect_evals 0.3.106 1 Dataset: safe (250) + unsafe (200); one subset per run. Judge: openai/gpt-4o . Metric: refusal_rate (low on safe, high on unsafe).

Inference Performance

Metrics reported

  • System Output Throughput (higher is better): Mean output tokens per second across all concurrent requests over the benchmarking phase.
  • Time to first token (TTFT) (lower is better): Median time to first token.
  • Model weights (lower is better):
Metric GPT-OSS-120B Hypernova 60B 2605
Concurrency 128 128
Throughput (tok/s) 3,821 5,210
TTFT (s) 7.04 4.85
Model weights (GB) 65 32

Performance evaluation conditions

Our performance evaluation follows the spirit of Artificial Analysis.

  • Inference library: vLLM 0.18.0
  • Monitoring libraries: GuideLLM, nvidia-ml-py
  • Hardware: 1× NVIDIA H200 Tensor Core GPU
  • Conditions: concurrency phases 128
  • Phase duration: Each phase lasts 3 minutes (excluding ramp-up and cool-down periods).
  • Workload shape: 1k input / 1k output
  • Decode: temperature: 0.0, top_p: 1.0

The figure below is a side-by-side comparison at concurrency = 128

Performance


Languages

  • Primary language: English
  • Other languages: Not formally evaluated

The model was trained primarily on English-language data. Performance on other languages may vary and has not been systematically measured.


Intended Use

Recommended Use Cases

  • Reasoning and analysis (with configurable reasoning effort where supported)
  • Tool-augmented applications, with emphasis on coding and general assistant use (function calling, web browsing, code execution, structured outputs)
  • Code generation and reasoning
  • Chatbots and virtual assistants
  • Retrieval-augmented generation (RAG)

Out-of-Scope Uses

  • Harmful, illegal, or deceptive content generation
  • Impersonation of real individuals without consent
  • High-risk decision-making without human oversight
  • Surveillance or tracking of individuals
  • Any use that violates applicable laws or regulations

Safety & Limitations

Known Limitations

  • English-centric training data.
  • Format: For best results, use the same harmony response format as gpt-oss-120b where applicable; behavior may differ otherwise.
  • Tool calling depends on correct schema and tool design; exact parity with gpt-oss-120b or other models is not guaranteed.

Recommendations

  • Validate tool outputs before execution
  • Use human oversight for critical applications
  • Perform task-specific evaluation prior to deployment
MetricGPT-OSS
120B
HyperNova 60B
2605
Comment
StereoSet stereotype score 55.0 56.0 Share of examples where the model prefers a stereotypical completion. Lower is better.
StereoSet language model score 96.9 97.3 Share of examples where the model assigns higher probability to a meaningful vs. meaningless completion. Higher is better.
StereoSet ICAT 87.3 85.6 Idealized CAT score combining language-model quality and stereotype bias. Higher is better.
StrongREJECT jailbreak rate 0.003 0 Fraction of adversarial jailbreak prompts that elicit a harmful response. Lower is better; 0 is best.
StrongREJECT metric 0.013 0 Overall harmful-response rate on the StrongREJECT benchmark. Lower is better; 0 is best.
XSTest safe refusal 29.6 30.4 Rate at which benign prompts are incorrectly refused (over-refusal). Lower is better.
XSTest unsafe refusal 99.5 99.0 Rate at which harmful prompts are correctly refused. Higher is better.
BBQ 96.9 96.4 Accuracy on ambiguous QA pairs designed to surface social bias. Higher is better.

Model Information

Field Value
Model name HyperNova 60B 2605
Version 2605
Release date 26/02/2026
Developed by Multiverse Computing
License Apache 2.0
Contact business@multiversecomputing.com

Citation

If you use this model, please cite the base model and this variant:

@misc{openai2025gptoss120b,
  title         = {gpt-oss-120b \& gpt-oss-20b Model Card},
  author        = {OpenAI},
  year          = {2025},
  eprint        = {2508.10925},
  archivePrefix = {arXiv},
  primaryClass  = {cs.CL},
  url           = {https://arxiv.org/abs/2508.10925}
}
@misc{hypernova60b2605,
  title = {HyperNova 60B 2605: Model developed based on gpt-oss-120b},
  author = {Multiverse Computing},
  year = {2026},
  url = {https://huggingface.co/MultiverseComputingCAI/HyperNova-60B-2605},
  note = {Model developed based on openai/gpt-oss-120b using CompactifAI technology}
}

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