AI model comparison
LongCat 2.0 vs GPT-5 Mini
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Meituan
LongCat 2.0
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total.
- Input / 1M
- $0.30
- Output / 1M
- $1.20
- Context
- 1.05M
OpenAI
GPT-5 Mini
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.
- Input / 1M
- $0.25
- Output / 1M
- $2
- Context
- 400K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
LongCat 2.0
1.3x cheaper for a typical chat
Higher intelligence score
GPT-5 Mini
20.6 vs 19.1 on Artificial Analysis
Larger context window
LongCat 2.0
1.05M vs 400K tokens
Newer release
LongCat 2.0
Released July 20, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
GPT-5 Mini20.6Coding index
GPT-5 MiniNot availableAgentic index
GPT-5 MiniNot availablePricing
LongCat 2.0 vs GPT-5 Mini API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | GPT-5 Mini | |
|---|---|---|
| Input tokensPer 1M tokens | $0.30 | $0.25 |
| Output tokensPer 1M tokens | $1.20 | $2 |
| Cached input (read)Per 1M tokens | $0.01 | $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-5 Mini$1.50Coding task
30K in, 4K out
GPT-5 Mini$15.50$8.75 cachedLong document summary
150K in, 2K out
GPT-5 Mini$41.50$7.75 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | GPT-5 Mini | |
|---|---|---|
| Context window | 1.05M tokens | 400K tokens |
| Max output | 262K tokens | 128K tokens |
| Input types | Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Not available | High, Medium, Low, Minimal |
| Default reasoning effort | Not available | Medium |
| Release date | July 20, 2026 | August 7, 2025 |
Features
Supported features
API features available for each model.
| Metric | GPT-5 Mini | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Not supported | Supported |
| JSON mode | Not supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Not supported |
| Stop sequences | Supported | Not supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
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Our take
LongCat 2.0 is 1.3x cheaper for a typical chat. GPT-5 Mini scores higher on the Artificial Analysis Intelligence Index (20.6 vs 19.1). LongCat 2.0 has the larger context window (1.05M vs 400K 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 LongCat 2.0 or GPT-5 Mini cheaper?
LongCat 2.0 is cheaper for a typical chat (2K input tokens and 500 output tokens). LongCat 2.0 costs $0.30 per 1M input tokens and $1.20 per 1M output tokens, while GPT-5 Mini costs $0.25 per 1M input tokens and $2 per 1M output tokens.
Which has a bigger context window, LongCat 2.0 or GPT-5 Mini?
LongCat 2.0 supports up to 1.05M tokens of context, compared with 400K for GPT-5 Mini.
Is LongCat 2.0 smarter than GPT-5 Mini?
On the Artificial Analysis Intelligence Index, LongCat 2.0 scores 19.1 and GPT-5 Mini scores 20.6, putting GPT-5 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use LongCat 2.0 and GPT-5 Mini at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see LongCat 2.0 and GPT-5 Mini answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to LongCat 2.0 and GPT-5 Mini at the same time. Compare the answers side by side and keep the best one.