Head-to-Head Model Comparison

Nemotron Nano 9B v2 vs GPT-OSS 20B

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Vérifié par l’équipe de recherche de GetInfoUsDernière révision : October 2026Politique éditoriale
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Nemotron Nano 9B v2 vs GPT-OSS 20B: Benchmarks, Pricing & Speed Comparison

Nemotron Nano 9B v2 by NVIDIA and GPT-OSS 20B by OpenAI 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, Nemotron Nano 9B v2 holds a notable pricing advantage for token ingestion. On output generation, Nemotron Nano 9B v2 is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, both models provide an identical memory horizon with 131K tokens. In latency-sensitive production environments, GPT-OSS 20B 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.

Comparaison Face-à-Face (VS)

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NVIDIA

Nemotron Nano 9B v2

Nano efficace

ultra-rapide 9B paramètre modèle intégrant hybrid raisonnement, faible VRAM empreinte, et optimized déploiement pour robotics et périphérie PCs.

Intelligence Index42 / 100
Input Token:

$0.08 / 1M

Output Token:

$0.20 / 1M

Context Window:

131.1K tokens

SWE-bench Verified:

32.5%

OpenAI

GPT-OSS 20B

Raisonnement open source

un ouvert-weight GPT modèle de raisonnement pour auto-hébergé agents et controllable déploiements.

Intelligence Index46 / 100
Input Token:

$0.10 / 1M

Output Token:

$0.50 / 1M

Context Window:

131.1K tokens

SWE-bench Verified:

32.5%

Différences Clés en un Coup d’Œil

  • Nemotron Nano 9B v2 is 1.9x cheaper for API usage (input + output tokens combined).
  • GPT-OSS 20B is faster at 160 tok/s vs 140 tok/s.
  • GPT-OSS 20B leads on SWE-bench coding (32.5% vs 32.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
CaractéristiqueNemotron Nano 9B v2GPT-OSS 20B
Intelligence Index
Composite reasoning & knowledge score (0-100)
4246
Provider
NVIDIAOpenAI
Input Price
Cost per million input tokens
$0.08 / 1M$0.10 / 1M
Output Price
Cost per million output tokens
$0.20 / 1M$0.50 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.05 / 1M$0.08 / 1M
Context Window
Maximum input + output tokens
131.1K tokens~197 A4 pages of text131.1K tokens~197 A4 pages of text
Max Output Tokens
Per single request
8K33K
Throughput Speed
Tokens generated per second
140 tok/s160 tok/s
SWE-bench Verified
Real-world software engineering
32.5%32.5%
GPQA Diamond
Graduate-level reasoning
48%55%
Cached Input Price
Prompt caching discount per 1M tokens
$0.02 / 1M$0.01 / 1M

Qui gagne où ?

At-a-glance decision framework
Code
GPT-OSS 20B
+0.0% SWE-bench lead
Coût
Nemotron Nano 9B v2
1.9x cheaper monthly runtime
Vitesse
GPT-OSS 20B
+14% faster generation
Contexte
Tied
131.1K tokens window

Scores de Benchmarks Vérifiés

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

Nemotron Nano 9B v2GPT-OSS 20B
SWE-bench Verified (Autonomous Coding)

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

32.5%vs32.5%
GPQA Diamond (Doctorate-Level Science & Math)

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

48%vs55%
MMLU-Pro (Multi-task Language Understanding)

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

71%vs72.5%
LMSYS Chatbot Arena Elo

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

1245ptsvs1288pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

N/Avs7.2%
Terminal-Bench (Agentic Coding & Terminal Use)

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

28%vs22%
SciCode (Scientific Computing)

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

N/Avs24.5%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

N/Avs46%
AIME (Advanced Math Competition)

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

54%vs72%
Long-Context Reasoning

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

68%vs63%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

140 tok/s vs160 tok/s

Latence et Temps de Réponse

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 Nano 9B v20.28s
GPT-OSS 20B0.26s
Est. End-to-End Response (500 tokens)TTFT + generation time
Nemotron Nano 9B v23.85s
GPT-OSS 20B3.38s

Simulateur Interactif de Coût de Tokens

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 Nano 9B v2 Monthly API Bill
$0.33 / month
$0.08/1M in · $0.2/1M out
GPT-OSS 20B Monthly API Bill
$0.61 / month
$0.1/1M in · $0.5/1M out
Nemotron Nano 9B v2 saves approximately $0.28 / month (46%) under this workload.1.9x Savings

Nemotron Nano 9B v2 · Strengths & Key Advantages

  • Blistering 140 tokens/sec débit avec tiny sous-16GB mémoire requirement
  • Integrated hybrid raisonnement mode pour étape par étape problem solving
  • Generous 131K fenêtre de contexte avec TensorRT-LLM acceleration
Considerations & Trade-offs
  • Cannot match 70B+ architectures sur complexe multi-hop deduction
  • texte-seulement sans natif image perception

GPT-OSS 20B · Strengths & Key Advantages

  • à poids ouverts — run il fully sur your own matériel
  • petit enough pour un laptop ou unique grand public GPU
  • Cheap sur hosted providers et supports appel d'outils
  • fonctionne comfortably sur grand public matériel
Considerations & Trade-offs
  • Clearly weaker que de pointe modèles sur hard raisonnement
  • texte-seulement — no vision ou audio entrée
  • Needs careful prompt tuning à reach son meilleur sortie

Token Use & Task Economics

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

MetricNemotron Nano 9B v2GPT-OSS 20B
Cost per Task
Estimated USD to finish one task
$0.06$0.09
Output Tokens / Task
Tokens generated per task
22K40K
Reasoning Tokens / Task
Thinking tokens burned per task
8K18K

Spécifications Techniques

Architecture, release timeline, capabilities, and modalities.

CaractéristiqueNemotron Nano 9B v2GPT-OSS 20B
Official API Model ID (SDK)nemotron-nano-9b-v2gpt-oss-20b
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI Responses API & Chat Completions v1
Release Date2025-082025-08
Knowledge CutoffJune 2025June 2024
ArchitectureEfficient Dense TransformerSparse MoE transformer with reasoning
Parameters9B21B (3.6B 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 ($0.08/1M in) across full 131K windowFlat rate ($0.1/1M in) across full 131K window
Prompt Cache Policy & TTLCached input at $0.02/1M tokensAutomatic prefix caching at $0.01/1M (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) · 6 GB VRAM (4-bit Quantized) · 19 GB VRAM (Native BF16)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 13 GB VRAM (4-bit Quantized) · 45 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 Nano 9B v2 vs GPT-OSS 20B: Réponses Rapides (FAQ)

Which is more intelligent, Nemotron Nano 9B v2 or GPT-OSS 20B?

GPT-OSS 20B is more intelligent. It scores 46 compared with 42 on the composite Intelligence Index.

Which model is faster?

GPT-OSS 20B is faster, generating 160 tokens per second compared with 140 tokens per second.

Which model is cheaper to run?

Nemotron Nano 9B v2 is cheaper at $0.05 per 1M tokens blended, compared with $0.08 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-OSS 20B has lower latency, with a time to first token of 0.26s compared with 0.28s.

Verdict

Verdict & Model Selection Recommendation: Choose Nemotron Nano 9B v2 if your priority is Robotics control, local PC copilots, and real-time interactive voice agents. Its performance in demanding tasks justifies its operational token cost. Choose GPT-OSS 20B if your workflow prioritizes Self-hosted agents, on-premise deployments and privacy-sensitive work. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.

Questions fréquentes

How does Nemotron Nano 9B v2 compare to GPT-OSS 20B in API token pricing and cost per token?+

Nemotron Nano 9B v2 costs $0.08 per 1M input tokens and $0.20 per 1M output tokens, whereas GPT-OSS 20B costs $0.10 input and $0.50 output. Overall, Nemotron Nano 9B v2 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: Nemotron Nano 9B v2 or GPT-OSS 20B?+

Both Nemotron Nano 9B v2 and GPT-OSS 20B offer an identical context window of 131K tokens (~98k words). Both architectures provide equal capacity for large document ingestion, multi-file codebases, and extended multi-turn conversation histories.

Which AI model is better for software engineering and coding: Nemotron Nano 9B v2 or GPT-OSS 20B?+

Both models achieve an identical 32.5% score on SWE-bench Verified, demonstrating matched software engineering capabilities.

What is the difference in reasoning capability and extended thinking between Nemotron Nano 9B v2 and GPT-OSS 20B?+

Nemotron Nano 9B v2 features native chain-of-thought extended thinking mode with configurable reasoning effort. In contrast, GPT-OSS 20B provides chain-of-thought reasoning depth for complex math and science.

How does inference speed (tokens per second) compare between Nemotron Nano 9B v2 and GPT-OSS 20B?+

Nemotron Nano 9B v2 generates approximately 140 tokens per second, while GPT-OSS 20B delivers 160 tokens per second. In latency-sensitive production environments, GPT-OSS 20B provides faster time-to-first-token (TTFT) and higher streaming response velocity.

Can you implement a tiered LLM routing setup combining Nemotron Nano 9B v2 and GPT-OSS 20B to optimize costs?+

Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Nemotron Nano 9B v2 to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to GPT-OSS 20B. This tiered routing pattern cuts overall API bills by up to 70%.

AI Terminology & Guide
Explore Glossary →

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

Les scores de benchmarks, tarifs par token et limites évoluent rapidement. Vérifiez toujours les spécifications actuelles sur la documentation officielle du fournisseur.

Sources: GetInfoUs Independent AI Benchmarks & Official API Specs