GPT OSS Safeguard 120B vs Llama 3.1 Nemotron Safety Guard 8B v3
Benchmarks, API Token Pricing, Context Window & Speed Comparison
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GPT OSS Safeguard 120B by OpenAI and Llama 3.1 Nemotron Safety Guard 8B v3 by NVIDIA represent two of the frontier AI models analyzed in our comprehensive 2026 AI benchmark and LLM comparison. In this head-to-head evaluation, we examine API token pricing, context window specifications, inference speed (tokens per second), and empirical reasoning performance. From a pure economic perspective, Llama 3.1 Nemotron Safety Guard 8B v3 holds a notable pricing advantage for token ingestion. On output generation, Llama 3.1 Nemotron Safety Guard 8B v3 is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, GPT OSS Safeguard 120B provides an expanded memory horizon with 131K tokens. In latency-sensitive production environments, Llama 3.1 Nemotron Safety Guard 8B v3 leads in tokens-per-second throughput, making it ideal for real-time conversational agents and high-concurrency workflows. Below is the complete empirical head-to-head breakdown across cost, speed, context, and capability matrices.
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GPT OSS Safeguard 120B
Safety ModelA safety model for policy screening, moderation and risk-aware routing.
$0.15 / 1M
$0.60 / 1M
131.1K tokens
41%
Llama 3.1 Nemotron Safety Guard 8B v3
Safety ModelSpecialized 8B moderation and safety screening model providing low-latency risk assessment, jailbreak defense, and compliance classification.
$0.05 / 1M
$0.10 / 1M
128K tokens
N/A
Key Differences at a Glance
- Llama 3.1 Nemotron Safety Guard 8B v3 is 4.4x cheaper for API usage (input + output tokens combined).
- GPT OSS Safeguard 120B has a larger context window (131K vs 128K tokens).
- Llama 3.1 Nemotron Safety Guard 8B v3 is faster at 180 tok/s vs 90 tok/s.
| Feature | GPT OSS Safeguard 120B | Llama 3.1 Nemotron Safety Guard 8B v3 |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 52 | 36 |
Provider | OpenAI | NVIDIA |
Input Price Cost per million input tokens | $0.15 / 1M | $0.05 / 1M |
Output Price Cost per million output tokens | $0.60 / 1M | $0.10 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $0.10 / 1M | $0.03 / 1M |
Context Window Maximum input + output tokens | 131.1K tokens~197 A4 pages of text | 128K tokens~192 A4 pages of text |
Max Output Tokens Per single request | 33K | 2K |
Throughput Speed Tokens generated per second | 90 tok/s | 180 tok/s |
SWE-bench Verified Real-world software engineering | 41% | N/A |
GPQA Diamond Graduate-level reasoning | 65% | N/A |
Cached Input Price Prompt caching discount per 1M tokens | $0.01 / 1M | $0.01 / 1M |
Who Wins Where?
At-a-glance decision frameworkEvaluations ongoing
Empirical Head-to-Head Benchmark Scores
Official evaluation metrics verified by independent third-party research labs.
Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.
Challenging questions created by domain experts to test complex PhD-level reasoning.
Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.
Crowdsourced human preference evaluation based on blind, head-to-head model battles.
Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.
Autonomous multi-step tasks executed inside a real command-line terminal environment.
Research-grade coding problems drawn from real scientific and numerical workloads.
Contamination-free competitive programming problems collected continuously over time.
American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.
Accuracy when reasoning over very large inputs that fill the model context window.
Tokens emitted per second during active generation streaming.
Latency & Response Time
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
Real-Time Interactive Token Cost Simulator
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
GPT OSS Safeguard 120B · Strengths & Key Advantages
- Open-weight safety classifier you can audit and fine-tune
- Reasoning traces make moderation decisions explainable
- Fits cleanly into existing moderation pipelines
- Reasoning traces make moderation decisions auditable
Considerations & Trade-offs
- Not intended as a general-purpose assistant
- Policy categories must be supplied by the operator
Llama 3.1 Nemotron Safety Guard 8B v3 · Strengths & Key Advantages
- Ultra-fast token classification speed (180 tps) with minimal compute latency
- Granular detection across 13 risk categories including prompt injection and PII leakage
- Plugs directly into NeMo Guardrails and enterprise API gateways
Considerations & Trade-offs
- Specialized classification model; unsuitable for general generative text or coding
- Requires strict prompt framing for optimal safety taxonomy scoring
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | GPT OSS Safeguard 120B | Llama 3.1 Nemotron Safety Guard 8B v3 |
|---|---|---|
Cost per Task Estimated USD to finish one task | $0.13 | $0.01 |
Output Tokens / Task Tokens generated per task | 40K | 2K |
Reasoning Tokens / Task Thinking tokens burned per task | 20K | 0K |
Technical Specifications
Architecture, release timeline, capabilities, and modalities.
| Feature | GPT OSS Safeguard 120B | Llama 3.1 Nemotron Safety Guard 8B v3 |
|---|---|---|
| Official API Model ID (SDK) | gpt-oss-safeguard-120b | llama-3-1-nemotron-safety-guard-8b-v3 |
| API Protocol | OpenAI Responses API & Chat Completions v1 | OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI |
| Release Date | 2025-10 | 2025-10 |
| Knowledge Cutoff | June 2024 | August 2025 |
| Architecture | Sparse MoE safety-classifier model | Specialized Guardrail Classifier Transformer |
| Parameters | 117B (5.1B active MoE) | 8B |
| Enterprise Rate Limits (RPM / TPM) | Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud | Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud |
| Long-Context Tier (>128K/200K) | Flat rate ($0.15/1M in) across full 131K window | Flat rate ($0.05/1M in) across full 128K window |
| Prompt Cache Policy & TTL | Automatic prefix caching at $0.015/1M (no extra cache-write fee) | Cached input at $0.01/1M tokens |
| Computer Use / GUI Agent | API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop) | Text-only completion (No GUI action loop) |
| MCP & Parallel Tool Calling | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema | Prompt-based JSON extraction only |
| Web Search Grounding & Sandbox | Native Web Search tool + Hosted Code Interpreter & File Search RAG | Supported via external Tavily/Exa Search & E2B/Docker Sandbox tools |
| Official Fine-Tuning Support | Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory) | Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory) |
| Multimodal Token Billing | Text BPE (~4 chars/token) | Text BPE (~4 chars/token) |
| Quantization & Min GPU VRAM | BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 73 GB VRAM (4-bit Quantized) · 252 GB VRAM (Native BF16) | BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 5 GB VRAM (4-bit Quantized) · 17 GB VRAM (Native BF16) |
| Safety & Frontier Classification | OpenAI Preparedness Framework Audited & System Card Published | Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma) |
| Enterprise Compliance (ZDR/HIPAA/SOC2) | 100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control | 100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control |
| Input Modalities | text | text |
| Output Modalities | text | text |
GPT OSS Safeguard 120B vs Llama 3.1 Nemotron Safety Guard 8B v3: Quick Answers
Which is more intelligent, GPT OSS Safeguard 120B or Llama 3.1 Nemotron Safety Guard 8B v3?
GPT OSS Safeguard 120B is more intelligent. It scores 52 compared with 36 on the composite Intelligence Index.
Which model is faster?
Llama 3.1 Nemotron Safety Guard 8B v3 is faster, generating 180 tokens per second compared with 90 tokens per second.
Which model is cheaper to run?
Llama 3.1 Nemotron Safety Guard 8B v3 is cheaper at $0.03 per 1M tokens blended, compared with $0.10 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Llama 3.1 Nemotron Safety Guard 8B v3 has lower latency, with a time to first token of 0.18s compared with 0.52s.
Which model has a larger context window?
GPT OSS Safeguard 120B has a larger context window, supporting 131.1K tokens compared with 128K tokens.
Verdict
Verdict & Model Selection Recommendation: Choose GPT OSS Safeguard 120B if your priority is Content moderation, policy screening and safety routing layers. Its performance in demanding tasks justifies its operational token cost. Choose Llama 3.1 Nemotron Safety Guard 8B v3 if your workflow prioritizes API gateway safety filtering, compliance auditing, and prompt injection defense. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.
Frequently asked questions
How does GPT OSS Safeguard 120B compare to Llama 3.1 Nemotron Safety Guard 8B v3 in API token pricing and cost per token?+
GPT OSS Safeguard 120B costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, whereas Llama 3.1 Nemotron Safety Guard 8B v3 costs $0.05 input and $0.10 output. Overall, Llama 3.1 Nemotron Safety Guard 8B v3 is the more cost-effective model for high-volume API pipelines. Both models support prompt caching discounts of up to 90% for repeated prompt prefixes.
Which model has a larger context window: GPT OSS Safeguard 120B or Llama 3.1 Nemotron Safety Guard 8B v3?+
GPT OSS Safeguard 120B supports a context window of 131K tokens (~98k words), while Llama 3.1 Nemotron Safety Guard 8B v3 supports 128K tokens (~96k words). Therefore, GPT OSS Safeguard 120B can process more textual data and document context in a single prompt.
Which AI model is better for software engineering and coding: GPT OSS Safeguard 120B or Llama 3.1 Nemotron Safety Guard 8B v3?+
GPT OSS Safeguard 120B scores 41% on SWE-bench Verified, while Llama 3.1 Nemotron Safety Guard 8B v3 scores competitively for software generation. For complex autonomous debugging and agentic engineering, GPT OSS Safeguard 120B provides robust code generation and tool calling.
What is the difference in reasoning capability and extended thinking between GPT OSS Safeguard 120B and Llama 3.1 Nemotron Safety Guard 8B v3?+
GPT OSS Safeguard 120B features native chain-of-thought extended thinking mode with configurable reasoning effort. In contrast, Llama 3.1 Nemotron Safety Guard 8B v3 focuses on standard fast inference.
How does inference speed (tokens per second) compare between GPT OSS Safeguard 120B and Llama 3.1 Nemotron Safety Guard 8B v3?+
GPT OSS Safeguard 120B generates approximately 90 tokens per second, while Llama 3.1 Nemotron Safety Guard 8B v3 delivers 180 tokens per second. In latency-sensitive production environments, Llama 3.1 Nemotron Safety Guard 8B v3 provides faster time-to-first-token (TTFT) and higher streaming response velocity.
Can you implement a tiered LLM routing setup combining GPT OSS Safeguard 120B and Llama 3.1 Nemotron Safety Guard 8B v3 to optimize costs?+
Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Llama 3.1 Nemotron Safety Guard 8B v3 to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to GPT OSS Safeguard 120B. This tiered routing pattern cuts overall API bills by up to 70%.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
Related reading
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Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.
Sources: GetInfoUs Independent AI Benchmarks & Official API Specs