GPT-5.3 Chat vs Nemotron 3 Nano 30B A3B (free)
| Signal | GPT-5.3 Chat | Delta | Nemotron 3 Nano 30B A3B (free) |
|---|---|---|---|
Capabilities | 83 | +33 | |
Benchmarks | 88 | +88 | |
Pricing | 86 | -14 | |
Context window size | 81 | -5 | |
Recency | 100 | +10 | |
Output Capacity | 70 | +50 | |
| Overall Result | 4 wins | of 6 | 2 wins |
Score History
90.5
current score
GPT-5.3 Chat
right now
40
current score
GPT-5.3 Chat
OpenAI
Nemotron 3 Nano 30B A3B (free)
NVIDIA
Nemotron 3 Nano 30B A3B (free) saves you $875.00/month
That's $10500.00/year compared to GPT-5.3 Chat at your current usage level of 100K calls/month.
| Metric | GPT-5.3 Chat | Nemotron 3 Nano 30B A3B (free) | Winner |
|---|---|---|---|
| Overall Score | 91 | 40 | GPT-5.3 Chat |
| Rank | #22 | #300 | GPT-5.3 Chat |
| Quality Rank | #22 | #300 | GPT-5.3 Chat |
| Adoption Rank | #22 | #300 | GPT-5.3 Chat |
| Parameters | -- | 30B | -- |
| Context Window | 128K | 256K | Nemotron 3 Nano 30B A3B (free) |
| Pricing | $1.75/$14.00/M | Free | -- |
| Signal Scores | |||
| Capabilities | 83 | 50 | GPT-5.3 Chat |
| Benchmarks | 88 | -- | GPT-5.3 Chat |
| Pricing | 86 | 100 | Nemotron 3 Nano 30B A3B (free) |
| Context window size | 81 | 86 | Nemotron 3 Nano 30B A3B (free) |
| Recency | 100 | 90 | GPT-5.3 Chat |
| Output Capacity | 70 | 20 | GPT-5.3 Chat |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 91/100 (rank #22), placing it in the top 93% of all 290 models tracked.
Scores 40/100 (rank #300), placing it in the top -3% of all 290 models tracked.
GPT-5.3 Chat has a 51-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose GPT-5.3 Chat when you need:
- Multimodal workflows that require image understanding
Choose Nemotron 3 Nano 30B A3B (free) when you need:
- High-volume production workloads where API costs must be minimized
- Processing long documents or large codebases (256K token context)
- Step-by-step reasoning and chain-of-thought problem solving
- Self-hosted deployments where you need full control over the model
Both models are priced similarly, so the decision comes down to quality and features rather than cost.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Nemotron 3 Nano 30B A3B (free) also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (256K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (91/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.3 Chat clearly outperforms Nemotron 3 Nano 30B A3B (free) with a significant 50.5-point lead. For most general use cases, GPT-5.3 Chat is the stronger choice. However, Nemotron 3 Nano 30B A3B (free) may still excel in niche scenarios.
By Use Case
Best for Quality
GPT-5.3 Chat
Marginally better benchmark scores; both are excellent
Best for Cost
Nemotron 3 Nano 30B A3B (free)
100% lower pricing; better value at scale
Best for Reliability
GPT-5.3 Chat
Higher uptime and faster response speeds
Best for Prototyping
GPT-5.3 Chat
Stronger community support and better developer experience
Best for Production
GPT-5.3 Chat
Wider enterprise adoption and proven at scale
by OpenAI
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | GPT-5.3 Chat | Nemotron 3 Nano 30B A3B (free) |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoningdiffers | ||
| Web Searchdiffers | ||
| Image Output |
GPT-5.3 Chat
OpenAI
Nemotron 3 Nano 30B A3B (free)
NVIDIA
Nemotron 3 Nano 30B A3B (free) saves you $19.95/month
That's 100% cheaper than GPT-5.3 Chat at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | GPT-5.3 Chat | Nemotron 3 Nano 30B A3B (free) |
|---|---|---|
| Context Window | 128K | 256K |
| Max Output Tokens | 16,384 | -- |
| Open Source | No | Yes |
| Created | Mar 3, 2026 | Dec 14, 2025 |