AI model comparison
Solar Pro 3 vs GPT-4.1 Nano
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Upstage
Solar Pro 3
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency.
- Input / 1M
- $0.15
- Output / 1M
- $0.60
- Context
- 131K
OpenAI
GPT-4.1 Nano
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series.
- Input / 1M
- $0.10
- Output / 1M
- $0.40
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
GPT-4.1 Nano
1.5x cheaper for a typical chat
Higher intelligence score
Tie
7.8 vs 7.8 on Artificial Analysis
Larger context window
GPT-4.1 Nano
1.05M vs 131K tokens
Newer release
Solar Pro 3
Released January 27, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
GPT-4.1 Nano7.8Coding index
GPT-4.1 Nano11.1Agentic index
GPT-4.1 NanoNot availablePricing
Solar Pro 3 vs GPT-4.1 Nano API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | GPT-4.1 Nano | |
|---|---|---|
| Input tokensPer 1M tokens | $0.15 | $0.10 |
| Output tokensPer 1M tokens | $0.60 | $0.40 |
| Cached input (read)Per 1M tokens | $0.02 | $0.03 |
| Cache writePer 1M tokens | Not available | Not available |
| Web searchPer request | Not available | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
GPT-4.1 Nano$0.40Coding task
30K in, 4K out
GPT-4.1 Nano$4.60$2.35 cachedLong document summary
150K in, 2K out
GPT-4.1 Nano$15.80$4.55 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | GPT-4.1 Nano | |
|---|---|---|
| Context window | 131K tokens | 1.05M tokens |
| Max output | 118K tokens | 33K tokens |
| Input types | Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low, Minimal, None | Not available |
| Default reasoning effort | Medium | Not available |
| Release date | January 27, 2026 | April 14, 2025 |
Features
Supported features
API features available for each model.
| Metric | GPT-4.1 Nano | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Not supported |
| Temperature | Supported | Supported |
| Stop sequences | Not supported | Not supported |
| Deterministic seed | Not supported | Supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
- Solar Pro 3 vs Gemini 2.5 Flash Lite
- Solar Pro 3 vs Qwen3 Coder Next
- Solar Pro 3 vs Qwen3 VL 30B A3B Instruct
- Solar Pro 3 vs Llama 3.3 70B Instruct
- Solar Pro 3 vs Qwen2.5 72B Instruct
- Solar Pro 3 vs Qwen3 30B A3B
- Solar Pro 3 vs Qwen3 30B A3B Instruct 2507
- Solar Pro 3 vs Qwen3 VL 8B Instruct
- Solar Pro 3 vs GPT-4o-mini
GPT-4.1 NanoView full model details- GPT-4.1 Nano vs Gemini 2.5 Flash Lite
- GPT-4.1 Nano vs GPT-6 Luna Pro
- GPT-4.1 Nano vs gpt-oss-120b
- GPT-4.1 Nano vs gpt-oss-20b
- GPT-4.1 Nano vs GPT-4o-mini
- GPT-4.1 Nano vs GPT-5 Nano
- GPT-4.1 Nano vs Gemma 3 27B
- GPT-4.1 Nano vs Qwen3 30B A3B Instruct 2507
- GPT-4.1 Nano vs Llama 3.3 70B Instruct
- GPT-4.1 Nano vs Llama 4 Scout
- GPT-4.1 Nano vs Qwen3 VL 30B A3B Instruct
- GPT-4.1 Nano vs Nemotron 3 Nano 30B A3B
- GPT-4.1 Nano vs Qwen2.5 72B Instruct
- GPT-4.1 Nano vs Qwen3 30B A3B
- GPT-4.1 Nano vs Nova Lite 1.0
- GPT-4.1 Nano vs Llama 3.1 70B Instruct
- GPT-4.1 Nano vs Llama 3.2 3B Instruct
- GPT-4.1 Nano vs GPT-3.5 Turbo
Our take
GPT-4.1 Nano is 1.5x cheaper for a typical chat. GPT-4.1 Nano has the larger context window (1.05M vs 131K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Solar Pro 3 or GPT-4.1 Nano cheaper?
GPT-4.1 Nano is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-4.1 Nano costs $0.10 per 1M input tokens and $0.40 per 1M output tokens, while Solar Pro 3 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens.
Which has a bigger context window, Solar Pro 3 or GPT-4.1 Nano?
GPT-4.1 Nano supports up to 1.05M tokens of context, compared with 131K for Solar Pro 3.
Is Solar Pro 3 smarter than GPT-4.1 Nano?
On the Artificial Analysis Intelligence Index, Solar Pro 3 scores 7.8 and GPT-4.1 Nano scores 7.8, putting Solar Pro 3 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Solar Pro 3 and GPT-4.1 Nano at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Solar Pro 3 and GPT-4.1 Nano answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Solar Pro 3 and GPT-4.1 Nano at the same time. Compare the answers side by side and keep the best one.