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GPT-6 Astra vs LongCat-Flash-Lite

GPT-6 Astra leads the LLM Stats Score 60.3 to 18.8. LongCat-Flash-Lite is 114.3x cheaper per token.

OpenAI · Meituan · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.3 to 18.8, ranking #1 overall.

In the 1 individual benchmarks reported for both models, GPT-6 Astra wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, LongCat-Flash-Lite is roughly 114.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Astra also accepts a larger context window (1,050,000 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 GPT-6 Astra

  • overall performance matters — it scores 60.3 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose LongCat-Flash-Lite

  • cost matters — it's about 114.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
60.3
#1
18.8
#208
58.2
#1
19.0
#201
48.5
#1
7.2
#185
46.4
#1
4.1
#155
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$10.00 / M
$0.10 / M
Output price
$50.00 / M
$0.40 / M
Context window
1,050,000
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-6 Astra
LongCat-Flash-Lite
35.9#42
17.2#195
36.1#1
9.7#129
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for GPT-6 Astra · 13 for LongCat-Flash-Lite

1 shared

GPT-6 Astra outperforms in 1 benchmarks (GPQA), while LongCat-Flash-Lite is better at 0 benchmarks.

GPT-6 Astra significantly outperforms across most benchmarks.

Wed Sep 09 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Lite costs less

For input processing, GPT-6 Astra ($10.00/1M tokens) is 100.0x more expensive than LongCat-Flash-Lite ($0.10/1M tokens).

For output processing, GPT-6 Astra ($50.00/1M tokens) is 125.0x more expensive than LongCat-Flash-Lite ($0.40/1M tokens).

In conclusion, GPT-6 Astra is more expensive than LongCat-Flash-Lite.*

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

Lowest available price from all providers
Wed Sep 09 2026 • llm-stats.com
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Meituan
LongCat-Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerMeituan
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Astra accepts 1,050,000 input tokens compared to LongCat-Flash-Lite's 256,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Meituan
LongCat-Flash-Lite
Input256,000 tokens
Output128,000 tokens
Wed Sep 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Astra supports multimodal inputs, whereas LongCat-Flash-Lite does not.

GPT-6 Astra can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6 Astra

Text
Images
Audio
Video

LongCat-Flash-Lite

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Astra is licensed under a proprietary license, while LongCat-Flash-Lite uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-6 Astra

Proprietary

Closed source

LongCat-Flash-Lite

MIT

Open weights

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-04, while LongCat-Flash-Lite was released on 2026-02-05.

GPT-6 Astra is 7 months newer than LongCat-Flash-Lite.

GPT-6 Astra

Sep 4, 2026

4 days ago

7mo newer
LongCat-Flash-Lite

Feb 5, 2026

7 months ago

Knowledge Cutoff

When training data ends

GPT-6 Astra has a documented knowledge cutoff of 2026-04-30, while LongCat-Flash-Lite's cutoff date is not specified.

We can confirm GPT-6 Astra's training data extends to 2026-04-30, but cannot make a direct comparison without LongCat-Flash-Lite's cutoff date.

GPT-6 Astra

Apr 2026

LongCat-Flash-Lite

Provider Availability

GPT-6 Astra is available from OpenAI. LongCat-Flash-Lite is available from Meituan.

GPT-6 Astra

openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

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 GPT-6 Astra and LongCat-Flash-Lite side-by-side, then vote on the output you prefer.

GPT-6 Astra
✓ Preferred
LongCat-Flash-Lite
Open in Playground

FAQ

Common questions about GPT-6 Astra vs LongCat-Flash-Lite.

Which is better, GPT-6 Astra or LongCat-Flash-Lite?

GPT-6 Astra leads the LLM Stats Score 60.3 to 18.8. GPT-6 Astra is made by OpenAI and LongCat-Flash-Lite is made by Meituan. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-6 Astra compare to LongCat-Flash-Lite in benchmarks?

GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%. LongCat-Flash-Lite scores MATH-500: 96.8%, MMLU: 85.5%, CMMLU: 82.5%, MMLU-Pro: 78.3%, Tau2 Retail: 73.1%.

Is GPT-6 Astra cheaper than LongCat-Flash-Lite?

LongCat-Flash-Lite is 100.0x cheaper for input tokens. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai. LongCat-Flash-Lite costs $0.10/M input and $0.40/M output via meituan.

What are the context window sizes for GPT-6 Astra and LongCat-Flash-Lite?

GPT-6 Astra supports 1.1M 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 GPT-6 Astra and LongCat-Flash-Lite?

Key differences include LLM Stats Score (60.3 vs 18.8), context window (1.1M vs 256K), input pricing ($10.00 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and LongCat-Flash-Lite?

GPT-6 Astra is developed by OpenAI and LongCat-Flash-Lite is developed by Meituan.