Claude Opus 4.6 vs LongCat-Flash-Thinking-2601: Specs & Benchmark Comparison

CharacteristicClaude Opus 4.6LongCat-Flash-Thinking-2601
CompanyAnthropicMeituan
Release DateFebruary 4, 2026January 13, 2026
Parameters560B
MultimodalYesNo
Context (input)1.0M
Context (output)128K
Input Price / 1M$5.00
Output Price / 1M$25.00
Average Score0.80.8
Benchmarks
BrowseComp0.70.6
SWE-Bench Verified0.80.6
Humanity's Last Exam0.50.3
GPQA0.90.8
AIME 20251.01.0
TAU2 Telecom1.01.0

Visual Benchmark Comparison

Claude Opus 4.6
LongCat-Flash-Thinking-2601
BrowseComp0.7 vs 0.6
0.7
0.6
SWE-Bench Verified0.8 vs 0.6
0.8
0.6
Humanity's Last Exam0.5 vs 0.3
0.5
0.3
GPQA0.9 vs 0.8
0.9
0.8
AIME 20251.0 vs 1.0
1.0
1.0
TAU2 Telecom1.0 vs 1.0
1.0
1.0

Verdict

Claude Opus 4.6 leads in 1 out of 3 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Opus 4.6 — 0.8, LongCat-Flash-Thinking-2601 — 0.8.

Programming

On SWE-Bench, both models are nearly equal: Claude Opus 4.6 — 0.8, LongCat-Flash-Thinking-2601 — 0.6.

Recency

Claude Opus 4.6 is newer: released 2/4/2026 vs 1/13/2026.

More About These Models

Related Comparisons

The Claude Opus 4.6 and LongCat-Flash-Thinking-2601 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.6 or LongCat-Flash-Thinking-2601 page. See also the complete list of AI model comparisons.