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GPT-Live-1 vs LongCat-2.5

Comparing GPT-Live-1 and LongCat-2.5 across benchmarks, pricing, and capabilities.

OpenAI · Meituan · Updated for 2026

Which is better?

GPT-Live-1 and LongCat-2.5 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-Live-1

  • you are already invested in the OpenAI ecosystem

Choose LongCat-2.5

  • you want the most recent training data — it shipped Nov 2026

At a glance

The differences that matter most.

Benchmark wins
—
—
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
1,048,576

Individual benchmarks

2 reported for GPT-Live-1 · 23 for LongCat-2.5

No common benchmarks found

GPT-Live-1 and LongCat-2.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only LongCat-2.5 specifies input context (1,048,576 tokens). Only LongCat-2.5 specifies output context (131,072 tokens).

OpenAI
GPT-Live-1
Input- tokens
Output- tokens
Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Wed Nov 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-Live-1 and LongCat-2.5 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-Live-1

Text
Images
Audio
Video

LongCat-2.5

Text
Images
Audio
Video

Release Timeline

When each model was launched

GPT-Live-1 was released on 2026-09-10, while LongCat-2.5 was released on 2026-11-01.

LongCat-2.5 is 2 months newer than GPT-Live-1.

GPT-Live-1

Sep 10, 2026

1 months ago

LongCat-2.5

Nov 1, 2026

3 days ago

1mo newer

Knowledge Cutoff

When training data ends

GPT-Live-1 has a documented knowledge cutoff of 2025-07-31, while LongCat-2.5's cutoff date is not specified.

We can confirm GPT-Live-1's training data extends to 2025-07-31, but cannot make a direct comparison without LongCat-2.5's cutoff date.

GPT-Live-1

Jul 2025

LongCat-2.5

—

Provider Availability

GPT-Live-1 is available from OpenAI. LongCat-2.5 is available from Meituan.

GPT-Live-1

openai logo
OpenAI

LongCat-2.5

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-Live-1 and LongCat-2.5 side-by-side, then vote on the output you prefer.

GPT-Live-1
✓ Preferred
LongCat-2.5
Open in Playground

FAQ

Common questions about GPT-Live-1 vs LongCat-2.5.

Which is better, GPT-Live-1 or LongCat-2.5?

GPT-Live-1 (OpenAI) and LongCat-2.5 (Meituan) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-Live-1 compare to LongCat-2.5 in benchmarks?

GPT-Live-1 scores TAU3-Bench: 86.2%, Tau3 Banking: 32.0%. LongCat-2.5 scores MathVision: 96.5%, BrowseComp: 91.9%, CharXiv-R: 90.2%, Terminal-Bench 2.1: 88.4%, Video-MME: 85.2%.

What are the context window sizes for GPT-Live-1 and LongCat-2.5?

GPT-Live-1 supports an unknown number of tokens and LongCat-2.5 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-Live-1 and LongCat-2.5?

Key differences include licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-Live-1 and LongCat-2.5?

GPT-Live-1 is developed by OpenAI and LongCat-2.5 is developed by Meituan.