Claude 3.5 Sonnet vs LongCat-Flash-Lite: Specs & Benchmark Comparison
| Characteristic | Claude 3.5 Sonnet | LongCat-Flash-Lite |
|---|---|---|
| Company | Anthropic | Meituan |
| Release Date | June 21, 2024 | February 4, 2026 |
| Parameters | — | 69B |
| Multimodal | Yes | No |
| Context (input) | 200K | — |
| Context (output) | 200K | — |
| Input Price / 1M | $3.00 | — |
| Output Price / 1M | $15.00 | — |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.6 | 0.7 |
| MMLU | 0.9 | 0.9 |
| MMLU-Pro | 0.8 | 0.8 |
Visual Benchmark Comparison
Claude 3.5 Sonnet
LongCat-Flash-Lite
GPQA0.6 vs 0.7
0.6
0.7
MMLU0.9 vs 0.9
0.9
0.9
MMLU-Pro0.8 vs 0.8
0.8
0.8
Verdict
LongCat-Flash-Lite leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Claude 3.5 Sonnet — 0.8, LongCat-Flash-Lite — 0.8.
Recency
LongCat-Flash-Lite is newer: released 2/4/2026 vs 6/21/2024.
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Frequently Asked Questions
Which is better for coding — Claude 3.5 Sonnet or LongCat-Flash-Lite?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude 3.5 Sonnet or LongCat-Flash-Lite?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude 3.5 Sonnet or LongCat-Flash-Lite?
Context window data is available on the individual model pages.
The Claude 3.5 Sonnet and LongCat-Flash-Lite comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude 3.5 Sonnet or LongCat-Flash-Lite page. See also the complete list of AI model comparisons.