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GLM-5.3 vs LongCat-Flash-Lite

Comparing GLM-5.3 and LongCat-Flash-Lite across benchmarks, pricing, and capabilities.

Zhipu AI · Meituan · Updated for 2026

Which is better?

GLM-5.3 and LongCat-Flash-Lite trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, LongCat-Flash-Lite is roughly 12.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GLM-5.3 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GLM-5.3

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose LongCat-Flash-Lite

  • cost matters — it's about 12.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GLM-5.3
Zhipu AI
LongCat-Flash-Lite
Meituan
Benchmark wins
—
—
Input price
$1.40 / M
$0.10 / M
Output price
$4.40 / M
$0.40 / M
Context window
1,000,000
256,000
Released
Aug 2026
Feb 2026
License
Unknown
MIT

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GLM-5.3 and LongCat-Flash-Litedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Lite costs less

For input processing, GLM-5.3 ($1.40/1M tokens) is 14.0x more expensive than LongCat-Flash-Lite ($0.10/1M tokens).

For output processing, GLM-5.3 ($4.40/1M tokens) is 11.0x more expensive than LongCat-Flash-Lite ($0.40/1M tokens).

In conclusion, GLM-5.3 is more expensive than LongCat-Flash-Lite.*

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

Lowest available price from all providers
Mon Aug 24 2026 • llm-stats.com
Zhipu AI
GLM-5.3
Input tokens$1.40
Output tokens$4.40
Best providerUnknown Organization
Meituan
LongCat-Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerMeituan
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

684.5B diff

GLM-5.3 has 684.5B more parameters than LongCat-Flash-Lite, making it 999.3% larger.

Zhipu AI
GLM-5.3
753.0Bparameters
Meituan
LongCat-Flash-Lite
68.5Bparameters
753.0B
GLM-5.3
68.5B
LongCat-Flash-Lite

Context Window

Maximum input and output token capacity

GLM-5.3 accepts 1,000,000 input tokens compared to LongCat-Flash-Lite's 256,000 tokens. Both models can generate responses up to 128,000 tokens.

Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output128,000 tokens
Meituan
LongCat-Flash-Lite
Input256,000 tokens
Output128,000 tokens
Mon Aug 24 2026 • llm-stats.com

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while LongCat-Flash-Lite was released on 2026-02-05.

GLM-5.3 is 6 months newer than LongCat-Flash-Lite.

GLM-5.3

Aug 14, 2026

1 weeks ago

6mo newer
LongCat-Flash-Lite

Feb 5, 2026

6 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

GLM-5.3 is available from ZAI. LongCat-Flash-Lite is available from Meituan.

GLM-5.3

z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M

LongCat-Flash-Lite

meituan logo
Meituan
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GLM-5.3 and LongCat-Flash-Lite side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
LongCat-Flash-Lite
Open in Playground

FAQ

Common questions about GLM-5.3 vs LongCat-Flash-Lite.

Which is better, GLM-5.3 or LongCat-Flash-Lite?

GLM-5.3 (Zhipu AI) and LongCat-Flash-Lite (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 GLM-5.3 compare to LongCat-Flash-Lite in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. LongCat-Flash-Lite scores MATH-500: 96.8%, MMLU: 85.5%, CMMLU: 82.5%, MMLU-Pro: 78.3%, Tau2 Retail: 73.1%.

Is GLM-5.3 cheaper than LongCat-Flash-Lite?

LongCat-Flash-Lite is 14.0x cheaper for input tokens. GLM-5.3 costs $1.40/M input and $4.40/M output via z. LongCat-Flash-Lite costs $0.10/M input and $0.40/M output via meituan.

What are the context window sizes for GLM-5.3 and LongCat-Flash-Lite?

GLM-5.3 supports 1.0M tokens and LongCat-Flash-Lite supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5.3 and LongCat-Flash-Lite?

Key differences include context window (1.0M vs 256K), input pricing ($1.40 vs $0.10/M), licensing (Unknown vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and LongCat-Flash-Lite?

GLM-5.3 is developed by Zhipu AI and LongCat-Flash-Lite is developed by Meituan.

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