Compare / head-to-head
LongCat 2.0vsSonar Reasoning Pro
LongCat 2.0 and Sonar Reasoning Pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples. LongCat 2.0 has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
—
list price, input + output
Larger context
LongCat 2.0
1M tokens
Provider uptime (30d)
— · 100%
Meituan LongCat · Perplexity
LongCat 2.0
Meituan LongCat · released 2026-06-30
text
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 10 · 4 core
Sonar Reasoning Pro
Perplexity
text
Quality
Benchmark matrix
0 shared · 10 only LongCat 2.0 · 0 only Sonar Reasoning Pro| Benchmark | LongCat 2.0 | Sonar Reasoning Pro | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only LongCat 2.0 reports · 10 | ||||
| GPQA Diamond | 88.9% ↗ | not reported | — | — |
| BrowseComp | 79.9% ↗ | not reported | — | — |
| FORTE | 73.2% ↗ | not reported | — | — |
| IFEval | 90% ↗ | not reported | — | — |
| IMO-AnswerBench | 81.8% ↗ | not reported | — | — |
| RWSearch | 78.8% ↗ | not reported | — | — |
| SWE-bench Multilingual | 77.3% ↗ | not reported | — | — |
| SWE-bench Pro | 59.5% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 70.8% ↗ | not reported | — | — |
| Writing Bench | 83.8% ↗ | not reported | — | — |
| Only Sonar Reasoning Pro reports · 0 | ||||
| Sonar Reasoning Pro reports nothing LongCat 2.0 does not. | ||||
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is LongCat 2.0 minus Sonar Reasoning Pro in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | LongCat 2.0 | Sonar Reasoning Pro | Edge |
|---|---|---|---|
| Context window | 1M tokens | 128K tokens | LongCat 2.0 |
| Max output | — | — | — |
| Input price / 1M | — | $2 ↗ | — |
| Output price / 1M | — | $8 ↗ | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $10 | — |
| Modalities | text | text | Tie |
| Released | 2026-06-30 | — | — |
| Cited benchmark scores | 10 | 0 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
LongCat 2.0 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run LongCat 2.0 and Sonar Reasoning Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.