AI model comparison
Hermes 4 405B vs GPT-4.1 Mini
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Nous
Hermes 4 405B
Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research.
- Input / 1M
- $1
- Output / 1M
- $3
- Context
- 131K
OpenAI
GPT-4.1 Mini
GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost.
- Input / 1M
- $0.40
- Output / 1M
- $1.60
- 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 Mini
2.2x cheaper for a typical chat
Higher intelligence score
GPT-4.1 Mini
10.2 vs 7.5 on Artificial Analysis
Larger context window
GPT-4.1 Mini
1.05M vs 131K tokens
Newer release
Hermes 4 405B
Released August 26, 2025
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Hermes 4 405B7.5GPT-4.1 Mini10.2Coding index
Hermes 4 405BNot availableGPT-4.1 Mini20.2Agentic index
Hermes 4 405BNot availableGPT-4.1 MiniNot availablePricing
Hermes 4 405B vs GPT-4.1 Mini API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Hermes 4 405B | GPT-4.1 Mini |
|---|---|---|
| Input tokensPer 1M tokens | $1 | $0.40 |
| Output tokensPer 1M tokens | $3 | $1.60 |
| Cached input (read)Per 1M tokens | Not available | $0.10 |
| 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
Hermes 4 405B$3.50GPT-4.1 Mini$1.60Coding task
30K in, 4K out
Hermes 4 405B$42GPT-4.1 Mini$18.40$9.40 cachedLong document summary
150K in, 2K out
Hermes 4 405B$156GPT-4.1 Mini$63.20$18.20 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Hermes 4 405B | GPT-4.1 Mini |
|---|---|---|
| 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 | Not available | Not available |
| Default reasoning effort | Not available | Not available |
| Release date | August 26, 2025 | April 14, 2025 |
Features
Supported features
API features available for each model.
| Metric | Hermes 4 405B | GPT-4.1 Mini |
|---|---|---|
| Tool calling | Not supported | Supported |
| Structured outputs | Not 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.
Hermes 4 405BView full model details- Hermes 4 405B vs Qwen3 VL 235B A22B Instruct
- Hermes 4 405B vs Mistral Medium 3.1
- Hermes 4 405B vs Mistral Medium 3
- Hermes 4 405B vs Devstral 2 2512
- Hermes 4 405B vs GLM 4.5V
- Hermes 4 405B vs Mistral Large 2407
- Hermes 4 405B vs Hermes 3 405B Instruct
- Hermes 4 405B vs Nova Pro 1.0
- Hermes 4 405B vs Hermes 3 70B Instruct
- Hermes 4 405B vs Mistral Large
- Hermes 4 405B vs Mixtral 8x22B Instruct
GPT-4.1 MiniView full model details- GPT-4.1 Mini vs Gemini 2.5 Flash Lite
- GPT-4.1 Mini vs GPT-4o-mini
- GPT-4.1 Mini vs GPT-5.6 Luna Pro
- GPT-4.1 Mini vs Qwen3 Next 80B A3B Instruct
- GPT-4.1 Mini vs DeepSeek V3 0324
- GPT-4.1 Mini vs Qwen3 VL 235B A22B Instruct
- GPT-4.1 Mini vs GLM 4.5 Air
- GPT-4.1 Mini vs Mistral Medium 3.1
- GPT-4.1 Mini vs Devstral 2 2512
- GPT-4.1 Mini vs Kimi K2 0711
- GPT-4.1 Mini vs o3 Mini
- GPT-4.1 Mini vs MiniMax M1
- GPT-4.1 Mini vs R1
- GPT-4.1 Mini vs GLM 4.6V
- GPT-4.1 Mini vs Sonar
- GPT-4.1 Mini vs Qwen3 Next 80B A3B Thinking
- GPT-4.1 Mini vs o3 Mini High
- GPT-4.1 Mini vs Trinity Large Thinking
- GPT-4.1 Mini vs GPT-4o (2024-08-06)
- GPT-4.1 Mini vs Mistral Large 3 2512
- GPT-4.1 Mini vs Mistral Medium 3
- GPT-4.1 Mini vs GPT-4o (2024-11-20)
- GPT-4.1 Mini vs GLM 4.5V
- GPT-4.1 Mini vs Nova Pro 1.0
- GPT-4.1 Mini vs GPT-3.5 Turbo
Our take
GPT-4.1 Mini is 2.2x cheaper for a typical chat. GPT-4.1 Mini scores higher on the Artificial Analysis Intelligence Index (10.2 vs 7.5). GPT-4.1 Mini 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 Hermes 4 405B or GPT-4.1 Mini cheaper?
GPT-4.1 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-4.1 Mini costs $0.40 per 1M input tokens and $1.60 per 1M output tokens, while Hermes 4 405B costs $1 per 1M input tokens and $3 per 1M output tokens.
Which has a bigger context window, Hermes 4 405B or GPT-4.1 Mini?
GPT-4.1 Mini supports up to 1.05M tokens of context, compared with 131K for Hermes 4 405B.
Is Hermes 4 405B smarter than GPT-4.1 Mini?
On the Artificial Analysis Intelligence Index, Hermes 4 405B scores 7.5 and GPT-4.1 Mini scores 10.2, putting GPT-4.1 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Hermes 4 405B and GPT-4.1 Mini at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hermes 4 405B and GPT-4.1 Mini answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Hermes 4 405B and GPT-4.1 Mini at the same time. Compare the answers side by side and keep the best one.