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Grok Voice 3.0 vs LongCat-2.5

Comparing Grok Voice 3.0 and LongCat-2.5 across benchmarks, pricing, and capabilities.

xAI · Meituan · Updated for 2026

Which is better?

Grok Voice 3.0 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 Grok Voice 3.0

  • you are already invested in the xAI 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

1 reported for Grok Voice 3.0 · 23 for LongCat-2.5

No common benchmarks found

Grok Voice 3.0 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).

xAI
Grok Voice 3.0
Input- tokens
Output- tokens
Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok Voice 3.0 and LongCat-2.5 support multimodal inputs.

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

Grok Voice 3.0

Text
Images
Audio
Video

LongCat-2.5

Text
Images
Audio
Video

Release Timeline

When each model was launched

Grok Voice 3.0 was released on 2026-10-14, while LongCat-2.5 was released on 2026-11-01.

LongCat-2.5 is 1 month newer than Grok Voice 3.0.

Grok Voice 3.0

Oct 14, 2026

3 weeks ago

LongCat-2.5

Nov 1, 2026

4 days ago

2w newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Grok Voice 3.0 is available from xAI. LongCat-2.5 is available from Meituan.

Grok Voice 3.0

xai logo
xAI

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 Grok Voice 3.0 and LongCat-2.5 side-by-side, then vote on the output you prefer.

Grok Voice 3.0
✓ Preferred
LongCat-2.5
Open in Playground

FAQ

Common questions about Grok Voice 3.0 vs LongCat-2.5.

Which is better, Grok Voice 3.0 or LongCat-2.5?

Grok Voice 3.0 (xAI) 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 Grok Voice 3.0 compare to LongCat-2.5 in benchmarks?

Grok Voice 3.0 scores Big Bench Audio: 98.5%. 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 Grok Voice 3.0 and LongCat-2.5?

Grok Voice 3.0 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 Grok Voice 3.0 and LongCat-2.5?

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

Who makes Grok Voice 3.0 and LongCat-2.5?

Grok Voice 3.0 is developed by xAI and LongCat-2.5 is developed by Meituan.