Head-to-Head Model Comparison

Nemotron 3 Ultra 550B A55B vs GPT-OSS 120B

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Verificato dal team di ricerca di GetInfoUsUltima verifica: October 2026Politica editoriale
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Nemotron 3 Ultra 550B A55B vs GPT-OSS 120B: Benchmarks, Pricing & Speed Comparison

Nemotron 3 Ultra 550B A55B di NVIDIA e GPT-OSS 120B di OpenAI sono due modelli di IA di riferimento. Nemotron 3 Ultra 550B A55B offre una finestra di contesto di 1M token a $1.00/$3.00 per milione di token, mentre GPT-OSS 120B mette a disposizione 131.1K token di contesto a $0.15/$0.60 per milione di token. Di seguito analizziamo benchmark, latenza e costi.

Confronto Diretto (VS)

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NVIDIA

Nemotron 3 Ultra 550B A55B

Modello Base a Pesi Aperti

Nemotron 3 Ultra 550B A55B di NVIDIA è un modello di IA progettato per il self-hosting su infrastruttura privata, il fine-tuning e la piena sovranità dei dati, con finestra di contesto da 1M, velocità di 65 token/s, indice di intelligenza d

Intelligence Index60 / 100
Input Token:

$1.00 / 1M

Output Token:

$3.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

64.5%

OpenAI

GPT-OSS 120B

Modello Base a Pesi Aperti

GPT-OSS 120B di OpenAI è un modello di IA progettato per il self-hosting su infrastruttura privata, il fine-tuning e la piena sovranità dei dati, con finestra di contesto da 131K, velocità di 95 token/s, indice di intelligenza di 56/100 e t

Intelligence Index56 / 100
Input Token:

$0.15 / 1M

Output Token:

$0.60 / 1M

Context Window:

131.1K tokens

SWE-bench Verified:

45.5%

Differenze Chiave a Colpo d’Occhio

  • GPT-OSS 120B is 5.8x cheaper for API usage (input + output tokens combined).
  • Nemotron 3 Ultra 550B A55B has a larger context window (1M vs 131K tokens).
  • GPT-OSS 120B is faster at 95 tok/s vs 65 tok/s.
  • Nemotron 3 Ultra 550B A55B leads on SWE-bench coding (64.5% vs 45.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureNemotron 3 Ultra 550B A55BGPT-OSS 120B
Intelligence Index
Composite reasoning & knowledge score (0-100)
6056
Provider
NVIDIAOpenAI
Input Price
Cost per million input tokens
$1.00 / 1M$0.15 / 1M
Output Price
Cost per million output tokens
$3.00 / 1M$0.60 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.68 / 1M$0.10 / 1M
Context Window
Maximum input + output tokens
1M tokens~1,500 A4 pages of text131.1K tokens~197 A4 pages of text
Max Output Tokens
Per single request
66K33K
Throughput Speed
Tokens generated per second
65 tok/s95 tok/s
SWE-bench Verified
Real-world software engineering
64.5%45.5%
GPQA Diamond
Graduate-level reasoning
76%68.5%
Cached Input Price
Prompt caching discount per 1M tokens
$0.25 / 1M$0.01 / 1M

Chi vince in ogni categoria?

At-a-glance decision framework
Coding
Nemotron 3 Ultra 550B A55B
+19.0% SWE-bench lead
Cost
GPT-OSS 120B
5.8x cheaper monthly runtime
Speed
GPT-OSS 120B
+46% faster generation
Context
Nemotron 3 Ultra 550B A55B
1M tokens window

Punteggi Benchmark Verificati

Official evaluation metrics verified by independent third-party research labs.

Nemotron 3 Ultra 550B A55BGPT-OSS 120B
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

64.5%vs45.5%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

76%vs68.5%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

87.5%vs80.5%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1425ptsvs1330pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

N/Avs9.8%
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

53%vs30.5%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

N/Avs33%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

N/Avs58.5%
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

86%vs84.5%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

89%vs71%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

65 tok/s vs95 tok/s

Latenza e Tempo di Risposta

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
Nemotron 3 Ultra 550B A55B0.62s
GPT-OSS 120B0.48s
Est. End-to-End Response (500 tokens)TTFT + generation time
Nemotron 3 Ultra 550B A55B8.31s
GPT-OSS 120B5.74s

Simulatore Interattivo dei Costi Token

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
Nemotron 3 Ultra 550B A55B Monthly API Bill
$4.58 / month
$1/1M in · $3/1M out
GPT-OSS 120B Monthly API Bill
$0.79 / month
$0.15/1M in · $0.6/1M out
GPT-OSS 120B saves approximately $3.79 / month (83%) under this workload.5.8x Savings

Nemotron 3 Ultra 550B A55B · Strengths & Key Advantages

  • Finestra di contesto da 1M con capacità massima di output fino a 66K token (SWE-bench Verified 64.5% · GPQA Diamond 76%)
  • Throughput elevato di 65 token/secondo con latenza al primo token (TTFT) di soli 620 ms
  • Pesi aperti (550B (55B MoE)) pronti per il self-hosting locale o su cloud privato tramite vLLM, SGLang o Ollama
Considerations & Trade-offs
  • Richiede server GPU dedicati con sufficiente memoria VRAM per l’esecuzione locale a piena precisione
  • Nelle dimostrazioni scientifiche più estreme, i modelli di ragionamento pesante dedicati offrono maggiore profondità

GPT-OSS 120B · Strengths & Key Advantages

  • Finestra di contesto da 131K con capacità massima di output fino a 33K token (SWE-bench Verified 45.5% · GPQA Diamond 68.5%)
  • Throughput elevato di 95 token/secondo con latenza al primo token (TTFT) di soli 480 ms
  • Pesi aperti (117B (5.1B MoE)) pronti per il self-hosting locale o su cloud privato tramite vLLM, SGLang o Ollama
Considerations & Trade-offs
  • Richiede server GPU dedicati con sufficiente memoria VRAM per l’esecuzione locale a piena precisione
  • Nelle dimostrazioni scientifiche più estreme, i modelli di ragionamento pesante dedicati offrono maggiore profondità

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricNemotron 3 Ultra 550B A55BGPT-OSS 120B
Cost per Task
Estimated USD to finish one task
$0.85$0.14
Output Tokens / Task
Tokens generated per task
48K45K
Reasoning Tokens / Task
Thinking tokens burned per task
24K22K

Specifiche Tecniche

Architecture, release timeline, capabilities, and modalities.

FeatureNemotron 3 Ultra 550B A55BGPT-OSS 120B
Official API Model ID (SDK)nemotron-3-ultra-550b-a55bgpt-oss-120b
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI Responses API & Chat Completions v1
Release Date2026-062025-08
Knowledge CutoffFebruary 2026June 2024
ArchitectureColossal Sparse MoE (550B Total / 55B Active)Sparse MoE transformer with reasoning
Parameters550B (55B active MoE)117B (5.1B active MoE)
Enterprise Rate Limits (RPM / TPM)Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed CloudUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($1/1M in) across full 1000K windowFlat rate ($0.15/1M in) across full 131K window
Prompt Cache Policy & TTLCached input at $0.25/1M tokensAutomatic prefix caching at $0.015/1M (no extra cache-write fee)
Computer Use / GUI AgentAPI / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxSupported via external Tavily/Exa Search & E2B/Docker Sandbox toolsNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportFull 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 BillingText BPE (~4 chars/token)Text BPE (~4 chars/token)
Quantization & Min GPU VRAMBF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 341 GB VRAM (4-bit Quantized) · 1183 GB VRAM (Native BF16)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 73 GB VRAM (4-bit Quantized) · 252 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)OpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiestexttext
Output Modalitiestexttext

Nemotron 3 Ultra 550B A55B vs GPT-OSS 120B: Risposte Rapide (FAQ)

Which is more intelligent, Nemotron 3 Ultra 550B A55B or GPT-OSS 120B?

Nemotron 3 Ultra 550B A55B is more intelligent. It scores 60 compared with 56 on the composite Intelligence Index.

Which model is faster?

GPT-OSS 120B is faster, generating 95 tokens per second compared with 65 tokens per second.

Which model is cheaper to run?

GPT-OSS 120B is cheaper at $0.10 per 1M tokens blended, compared with $0.68 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-OSS 120B has lower latency, with a time to first token of 0.48s compared with 0.62s.

Which model has a larger context window?

Nemotron 3 Ultra 550B A55B has a larger context window, supporting 1M tokens compared with 131.1K tokens.

Verdetto

Sia Nemotron 3 Ultra 550B A55B (Ideale per il self-hosting su infrastruttura privata, il fine-tuning e la piena sovranità dei dati, sistemi RAG aziendali e integrazioni API scalabili.) sia GPT-OSS 120B (Ideale per il self-hosting su infrastruttura privata, il fine-tuning e la piena sovranità dei dati, sistemi RAG aziendali e integrazioni API scalabili.) eccellono in produzione: Nemotron 3 Ultra 550B A55B guida nei benchmark di ragionamento e programmazione, GPT-OSS 120B garantisce una generazione più rapida e GPT-OSS 120B offre il miglior rapporto qualità-prezzo per carichi API elevati.

Domande Frequenti (FAQ)

Quale modello è migliore per coding e ragionamento, Nemotron 3 Ultra 550B A55B o GPT-OSS 120B?+

Nell’indice di intelligenza composito e nei benchmark di programmazione prevale Nemotron 3 Ultra 550B A55B. Consulta i punteggi SWE-bench e GPQA qui sopra per tutti i dettagli.

Qual è la differenza di prezzo API tra Nemotron 3 Ultra 550B A55B e GPT-OSS 120B?+

Nemotron 3 Ultra 550B A55B costa $1.00 / $3.00 per milione di token di input/output, mentre GPT-OSS 120B costa $0.15 / $0.60. Nel costo combinato, GPT-OSS 120B risulta più economico.

Quale modello ha la finestra di contesto più ampia e la velocità maggiore?+

Nemotron 3 Ultra 550B A55B supporta 1M token di contesto contro 131.1K token di GPT-OSS 120B, mentre GPT-OSS 120B offre una velocità di generazione superiore.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

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.

Fonti ufficiali: Documentazione API ufficiale di NVIDIA e OpenAI, schede di sistema e benchmark indipendenti (2026).