The AI arena is free today

Open Superagent

LongCat-2.5 vs Nova 2 Sonic

LongCat-2.5 leads the LLM Stats Score 50.0 to 8.4. LongCat-2.5 is 1.8x cheaper per token.

Meituan · Amazon · Updated for 2026

Which is better?

LongCat-2.5 leads the overall LLM Stats Score 50.0 to 8.4, ranking #20 overall.

On price, LongCat-2.5 is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

LongCat-2.5 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose LongCat-2.5

  • overall performance matters — it scores 50.0 and ranks #20 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 1.8x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Nov 2026

Choose Nova 2 Sonic

  • you want predictable pricing at $0.33/M input and $2.75/M output

At a glance

The differences that matter most.

LongCat-2.5
Meituan
Nova 2 Sonic
Amazon
Core performance indexes
LLM Stats Score
50.0
#20
8.4
#312
Reasoning
48.3
#21
10.9
#293
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.30 / M
$0.33 / M
Output price
$1.20 / M
$2.75 / M
Context window
1,048,576
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
LongCat-2.5
Nova 2 Sonic
Tool use
30.2#15
12.3#130
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for LongCat-2.5 · 4 for Nova 2 Sonic

No common benchmarks found

LongCat-2.5 and Nova 2 Sonicdon'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

Pricing Analysis

Price comparison per million tokens

LongCat-2.5 costs less

For input processing, LongCat-2.5 ($0.30/1M tokens) is 1.1x cheaper than Nova 2 Sonic ($0.33/1M tokens).

For output processing, LongCat-2.5 ($1.20/1M tokens) is 2.3x cheaper than Nova 2 Sonic ($2.75/1M tokens).

In conclusion, Nova 2 Sonic is more expensive than LongCat-2.5.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Nov 06 2026 • llm-stats.com
Meituan
LongCat-2.5
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
Amazon
Nova 2 Sonic
Input tokens$0.33
Output tokens$2.75
Best providerAWS Bedrock
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

LongCat-2.5 accepts 1,048,576 input tokens compared to Nova 2 Sonic's 1,000,000 tokens. LongCat-2.5 can generate longer responses up to 131,072 tokens, while Nova 2 Sonic is limited to 65,536 tokens.

Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Amazon
Nova 2 Sonic
Input1,000,000 tokens
Output65,536 tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both LongCat-2.5 and Nova 2 Sonic support multimodal inputs.

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

LongCat-2.5

Text
Images
Audio
Video

Nova 2 Sonic

Text
Images
Audio
Video

Release Timeline

When each model was launched

LongCat-2.5 was released on 2026-11-01, while Nova 2 Sonic was released on 2025-12-02.

LongCat-2.5 is 11 months newer than Nova 2 Sonic.

LongCat-2.5

Nov 1, 2026

4 days ago

11mo newer
Nova 2 Sonic

Dec 2, 2025

11 months ago

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

LongCat-2.5 is available from Meituan. Nova 2 Sonic is available from Bedrock.

LongCat-2.5

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Nova 2 Sonic

bedrock logo
AWS Bedrock
Input Price:Input: $0.33/1MOutput Price:Output: $2.75/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LongCat-2.5 and Nova 2 Sonic side-by-side, then vote on the output you prefer.

LongCat-2.5
✓ Preferred
Nova 2 Sonic
Open in Playground

FAQ

Common questions about LongCat-2.5 vs Nova 2 Sonic.

Which is better, LongCat-2.5 or Nova 2 Sonic?

LongCat-2.5 leads the LLM Stats Score 50.0 to 8.4. LongCat-2.5 is made by Meituan and Nova 2 Sonic is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LongCat-2.5 compare to Nova 2 Sonic in benchmarks?

LongCat-2.5 scores MathVision: 96.5%, BrowseComp: 91.9%, CharXiv-R: 90.2%, Terminal-Bench 2.1: 88.4%, Video-MME: 85.2%. Nova 2 Sonic scores Big Bench Audio: 87.0%, BFCL: 74.5%, ComplexFuncBench: 65.2%, IFBench: 37.5%.

Is LongCat-2.5 cheaper than Nova 2 Sonic?

LongCat-2.5 is 1.1x cheaper for input tokens. LongCat-2.5 costs $0.30/M input and $1.20/M output via meituan. Nova 2 Sonic costs $0.33/M input and $2.75/M output via bedrock.

What are the context window sizes for LongCat-2.5 and Nova 2 Sonic?

LongCat-2.5 supports 1.0M tokens and Nova 2 Sonic 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 LongCat-2.5 and Nova 2 Sonic?

Key differences include LLM Stats Score (50.0 vs 8.4), context window (1.0M vs 1.0M), input pricing ($0.30 vs $0.33/M), licensing (Unknown vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-2.5 and Nova 2 Sonic?

LongCat-2.5 is developed by Meituan and Nova 2 Sonic is developed by Amazon.

Related comparisons