Gemini 1.5 Flash 8B vs LongCat-2.5
LongCat-2.5 leads the LLM Stats Score 50.0 to -1.2. Gemini 1.5 Flash 8B is 4.1x cheaper per token.
Google · Meituan · Updated for 2026
Which is better?
LongCat-2.5 leads the overall LLM Stats Score 50.0 to -1.2, ranking #20 overall.
In the 1 individual benchmarks reported for both models, LongCat-2.5 wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Gemini 1.5 Flash 8B is roughly 4.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 1.5 Flash 8B
- cost matters — it's about 4.1x cheaper per token
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
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Nov 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
13 reported for Gemini 1.5 Flash 8B · 23 for LongCat-2.5
Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while LongCat-2.5 is better at 1 benchmark (Video-MME).
LongCat-2.5 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, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 4.3x cheaper than LongCat-2.5 ($0.30/1M tokens).
For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 4.0x cheaper than LongCat-2.5 ($1.20/1M tokens).
In conclusion, LongCat-2.5 is more expensive than Gemini 1.5 Flash 8B.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
LongCat-2.5 has 1592.0B more parameters than Gemini 1.5 Flash 8B, making it 19900.0% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. LongCat-2.5 can generate longer responses up to 131,072 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 1.5 Flash 8B and LongCat-2.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 1.5 Flash 8B
LongCat-2.5
Release Timeline
When each model was launched
Gemini 1.5 Flash 8B was released on 2024-03-15, while LongCat-2.5 was released on 2026-11-01.
LongCat-2.5 is 32 months newer than Gemini 1.5 Flash 8B.
Mar 15, 2024
2.6 years ago
Nov 1, 2026
-1 days ago
2.6yr newerKnowledge Cutoff
When training data ends
Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while LongCat-2.5's cutoff date is not specified.
We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without LongCat-2.5's cutoff date.
Oct 2024
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Provider Availability
Gemini 1.5 Flash 8B is available from Google. LongCat-2.5 is available from Meituan.
Gemini 1.5 Flash 8B
LongCat-2.5
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 1.5 Flash 8B and LongCat-2.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 1.5 Flash 8B vs LongCat-2.5.