Claude Fable 5.2 vs LongCat-2.5
Claude Fable 5.2 leads the LLM Stats Score 61.3 to 49.8. LongCat-2.5 is 30.5x cheaper per token.
Anthropic · Meituan · Updated for 2026
Which is better?
Claude Fable 5.2 leads the overall LLM Stats Score 61.3 to 49.8, ranking #1 overall.
In the 3 individual benchmarks reported for both models, Claude Fable 5.2 wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, LongCat-2.5 is roughly 30.5x 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 Claude Fable 5.2
- overall performance matters — it scores 61.3 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 3 of 3 exact shared results
- you want the most recent training data — it shipped Nov 2026
Choose LongCat-2.5
- cost matters — it's about 30.5x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
29 reported for Claude Fable 5.2 · 23 for LongCat-2.5
Claude Fable 5.2 outperforms in 3 benchmarks (DeepSWE 1.1, Program Bench, Terminal-Bench 4.0), while LongCat-2.5 is better at 0 benchmarks.
Claude Fable 5.2 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Fable 5.2 ($8.00/1M tokens) is 26.7x more expensive than LongCat-2.5 ($0.30/1M tokens).
For output processing, Claude Fable 5.2 ($40.00/1M tokens) is 33.3x more expensive than LongCat-2.5 ($1.20/1M tokens).
In conclusion, Claude Fable 5.2 is more expensive than LongCat-2.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
LongCat-2.5 accepts 1,048,576 input tokens compared to Claude Fable 5.2's 1,000,000 tokens. LongCat-2.5 can generate longer responses up to 131,072 tokens, while Claude Fable 5.2 is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Fable 5.2 and LongCat-2.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Fable 5.2
LongCat-2.5
Release Timeline
When each model was launched
Claude Fable 5.2 was released on 2026-11-09, while LongCat-2.5 was released on 2026-11-01.
Claude Fable 5.2 is 0 month newer than LongCat-2.5.
Nov 9, 2026
0 days ago
1w newerNov 1, 2026
1 weeks ago
Knowledge Cutoff
When training data ends
Claude Fable 5.2 has a documented knowledge cutoff of 2026-06-01, while LongCat-2.5's cutoff date is not specified.
We can confirm Claude Fable 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without LongCat-2.5's cutoff date.
Jun 2026
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Provider Availability
Claude Fable 5.2 is available from Anthropic. LongCat-2.5 is available from Meituan.
Claude Fable 5.2
LongCat-2.5
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Fable 5.2 and LongCat-2.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Fable 5.2 vs LongCat-2.5.