Compare / head-to-head
LongCat 2.0vsStep 3.7 Flash
LongCat 2.0 leads 4 of 4 shared benchmarks. 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
4 – 0
LongCat 2.0 leads
Cheaper per token
—
list price, input + output
Larger context
LongCat 2.0
1M tokens
Provider uptime (30d)
— · —
Meituan LongCat · StepFun
LongCat 2.0
Meituan LongCat · released 2026-06-30
text
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 10 · 4 core
Step 3.7 Flash
StepFun · released 2026-05-29
textvision
- Context
- 256K
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 19 · 6 core
Quality
Benchmark matrix
4 shared · 6 only LongCat 2.0 · 15 only Step 3.7 Flash| Benchmark | LongCat 2.0 | Step 3.7 Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 4 | ||||
| BrowseComp | 79.9% ↗ | 75.8% ↗ | +4.1 pt | LongCat 2.0 |
| SWE-bench Multilingual | 77.3% ↗ | 72.4% ↗ | +4.9 pt | LongCat 2.0 |
| SWE-bench Pro | 59.5% ↗ | 56.3% ↗ | +3.2 pt | LongCat 2.0 |
| Terminal-Bench 2.1 | 70.8% ↗ | 59.6% ↗ | +11.2 pt | LongCat 2.0 |
| Only LongCat 2.0 reports · 6 | ||||
| GPQA Diamond | 88.9% ↗ | not reported | — | — |
| FORTE | 73.2% ↗ | not reported | — | — |
| IFEval | 90% ↗ | not reported | — | — |
| IMO-AnswerBench | 81.8% ↗ | not reported | — | — |
| RWSearch | 78.8% ↗ | not reported | — | — |
| Writing Bench | 83.8% ↗ | not reported | — | — |
| Only Step 3.7 Flash reports · 15 | ||||
| SWE-bench Verified | not reported | 76.5% ↗ | — | — |
| AIME 2026 | not reported | 95% ↗matharena ⚠ | — | — |
| AA-LCR | not reported | 63.9% ↗ | — | — |
| ClawEval v1.1 | not reported | 67.1% ↗ | — | — |
| DeepSearchQA Accuracy | not reported | 81.7% ↗ | — | — |
| DeepSearchQA F1 | not reported | 92.8% ↗ | — | — |
| GDPval-Stirrup | not reported | 1415.8 ↗ | — | — |
| GDPval-Stirrup Intelligence Index | not reported | 45.8 ↗ | — | — |
| HLE (with tools, text-only) | not reported | 49.7% ↗ | — | — |
| HLE (with tools) | not reported | 47.2% ↗ | — | — |
| ResearchRubrics | not reported | 71.7% ↗ | — | — |
| SimpleVQA (with tools) | not reported | 79.2% ↗ | — | — |
| Toolathlon | not reported | 49.5% ↗ | — | — |
| V* (with Python) | not reported | 95.3% ↗ | — | — |
| WorldVQA (with visual search) | not reported | 58.1% ↗ | — | — |
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 Step 3.7 Flash 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 | Step 3.7 Flash | Edge |
|---|---|---|---|
| Context window | 1M tokens | 256K tokens | LongCat 2.0 |
| Max output | — | — | — |
| Input price / 1M | — | — | — |
| Output price / 1M | — | — | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | — | — |
| Modalities | text | text · vision | Step 3.7 Flash |
| Released | 2026-06-30 | 2026-05-29 | — |
| Cited benchmark scores | 10 | 19 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
LongCat 2.0 vs …
Models sharing the most benchmarksMore matchups
Step 3.7 Flash vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
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