AI model comparison
o4 Mini vs GPT-4.1
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
OpenAI
o4 Mini
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.
- Input / 1M
- $1.10
- Output / 1M
- $4.40
- Context
- 200K
OpenAI
GPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.
- Input / 1M
- $2
- Output / 1M
- $8
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
o4 Mini
1.8x cheaper for a typical chat
Higher intelligence score
o4 Mini
16.7 vs 12.7 on Artificial Analysis
Larger context window
GPT-4.1
1.05M vs 200K tokens
Newer release
o4 Mini
Released April 16, 2025
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Coding index
Agentic index
Pricing
o4 Mini vs GPT-4.1 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $1.10 | $2 |
| Output tokensPer 1M tokens | $4.40 | $8 |
| Cached input (read)Per 1M tokens | $0.28 | $0.50 |
| Cache writePer 1M tokens | Not available | Not available |
| Web searchPer request | $0.01 | $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
Coding task
30K in, 4K out
Long document summary
150K in, 2K out
Specs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | ||
|---|---|---|
| Context window | 200K tokens | 1.05M tokens |
| Max output | 100K tokens | 33K tokens |
| Input types | File, Image, Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Not available | Not available |
| Default reasoning effort | Not available | Not available |
| Release date | April 16, 2025 | April 14, 2025 |
Features
Supported features
API features available for each model.
| Metric | ||
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Not supported |
| Temperature | Not supported | Supported |
| Stop sequences | Not supported | Not supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Our take
o4 Mini is 1.8x cheaper for a typical chat. o4 Mini scores higher on the Artificial Analysis Intelligence Index (16.7 vs 12.7). GPT-4.1 has the larger context window (1.05M vs 200K 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 o4 Mini or GPT-4.1 cheaper?
o4 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). o4 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens, while GPT-4.1 costs $2 per 1M input tokens and $8 per 1M output tokens.
Which has a bigger context window, o4 Mini or GPT-4.1?
GPT-4.1 supports up to 1.05M tokens of context, compared with 200K for o4 Mini.
Is o4 Mini smarter than GPT-4.1?
On the Artificial Analysis Intelligence Index, o4 Mini scores 16.7 and GPT-4.1 scores 12.7, putting o4 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use o4 Mini and GPT-4.1 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see o4 Mini and GPT-4.1 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to o4 Mini and GPT-4.1 at the same time. Compare the answers side by side and keep the best one.