AI model comparison
Hermes 3 405B Instruct vs GPT-4o-mini
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the
- Input / 1M
- $1
- Output / 1M
- $1
- Context
- 131K
OpenAI
GPT-4o-mini
GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs.
- Input / 1M
- $0.15
- Output / 1M
- $0.60
- Context
- 128K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
GPT-4o-mini
4.2x cheaper for a typical chat
Higher intelligence score
Hermes 3 405B Instruct
7.4 vs 6.7 on Artificial Analysis
Larger context window
Hermes 3 405B Instruct
131K vs 128K tokens
Newer release
Hermes 3 405B Instruct
Released August 16, 2024
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Hermes 3 405B Instruct7.4GPT-4o-mini6.7Coding index
Hermes 3 405B InstructNot availableGPT-4o-mini11.4Agentic index
Hermes 3 405B InstructNot availableGPT-4o-miniNot availablePricing
Hermes 3 405B Instruct vs GPT-4o-mini API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Hermes 3 405B Instruct | GPT-4o-mini |
|---|---|---|
| Input tokensPer 1M tokens | $1 | $0.15 |
| Output tokensPer 1M tokens | $1 | $0.60 |
| Cached input (read)Per 1M tokens | Not available | $0.08 |
| Cache writePer 1M tokens | Not available | Not available |
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 3 405B Instruct$2.50GPT-4o-mini$0.60Coding task
30K in, 4K out
Hermes 3 405B Instruct$34GPT-4o-mini$6.90$4.65 cachedLong document summary
150K in, 2K out
Hermes 3 405B Instruct$152GPT-4o-mini$23.70$12.45 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Hermes 3 405B Instruct | GPT-4o-mini |
|---|---|---|
| Context window | 131K tokens | 128K tokens |
| Max output | 16K tokens | 16K 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 16, 2024 | July 18, 2024 |
Features
Supported features
API features available for each model.
| Metric | Hermes 3 405B Instruct | GPT-4o-mini |
|---|---|---|
| Tool calling | Not supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Not supported | Not supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | 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 3 405B InstructView full model details- Hermes 3 405B Instruct vs Qwen3 Next 80B A3B Instruct
- Hermes 3 405B Instruct vs Qwen3 Coder Next
- Hermes 3 405B Instruct vs Qwen3 VL 30B A3B Instruct
- Hermes 3 405B Instruct vs Llama 3.3 70B Instruct
- Hermes 3 405B Instruct vs Sonar
- Hermes 3 405B Instruct vs Hermes 4 405B
- Hermes 3 405B Instruct vs Qwen3 VL 8B Instruct
- Hermes 3 405B Instruct vs Hermes 3 70B Instruct
- Hermes 3 405B Instruct vs Qwen2.5 Coder 32B Instruct
- Hermes 3 405B Instruct vs GPT-3.5 Turbo
GPT-4o-miniView full model details- GPT-4o-mini vs GPT-6 Luna Pro
- GPT-4o-mini vs GPT-5 Nano
- GPT-4o-mini vs GPT-4.1 Mini
- GPT-4o-mini vs Gemma 3 27B
- GPT-4o-mini vs Llama 3.3 70B Instruct
- GPT-4o-mini vs GPT-4.1 Nano
- GPT-4o-mini vs Llama 4 Maverick
- GPT-4o-mini vs Qwen3 VL 30B A3B Instruct
- GPT-4o-mini vs Qwen3 VL 8B Instruct
- GPT-4o-mini vs Sonar
- GPT-4o-mini vs Nova Lite 1.0
- GPT-4o-mini vs Qwen3 30B A3B
- GPT-4o-mini vs Hermes 3 70B Instruct
- GPT-4o-mini vs Llama 3.1 70B Instruct
- GPT-4o-mini vs Llama 3.2 3B Instruct
- GPT-4o-mini vs Solar Pro 3
- GPT-4o-mini vs GPT-3.5 Turbo
- GPT-4o-mini vs GLM 4.5V
- GPT-4o-mini vs Nova Pro 1.0
- GPT-4o-mini vs Qwen2.5 Coder 32B Instruct
- GPT-4o-mini vs Saba
- GPT-4o-mini vs Reka Flash 3
Our take
GPT-4o-mini is 4.2x cheaper for a typical chat. Hermes 3 405B Instruct scores higher on the Artificial Analysis Intelligence Index (7.4 vs 6.7). Hermes 3 405B Instruct has the larger context window (131K vs 128K 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 3 405B Instruct or GPT-4o-mini cheaper?
GPT-4o-mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-4o-mini costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, while Hermes 3 405B Instruct costs $1 per 1M input tokens and $1 per 1M output tokens.
Which has a bigger context window, Hermes 3 405B Instruct or GPT-4o-mini?
Hermes 3 405B Instruct supports up to 131K tokens of context, compared with 128K for GPT-4o-mini.
Is Hermes 3 405B Instruct smarter than GPT-4o-mini?
On the Artificial Analysis Intelligence Index, Hermes 3 405B Instruct scores 7.4 and GPT-4o-mini scores 6.7, putting Hermes 3 405B Instruct ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Hermes 3 405B Instruct and GPT-4o-mini at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hermes 3 405B Instruct and GPT-4o-mini answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Hermes 3 405B Instruct and GPT-4o-mini at the same time. Compare the answers side by side and keep the best one.