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Compare / head-to-head

GPT-5.2 ProvsLongCat 2.0

GPT-5.2 Pro and LongCat 2.0 split their 2 shared benchmarks evenly. 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
1 – 1
even split
Cheaper per token
list price, input + output
Larger context
LongCat 2.0
1M tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Meituan LongCat
GPT-5.2 Pro
OpenAI · released 2025-12-11
textvision
Context
400K
Max out
128K
Input /1M
$21
Output /1M
$168
Cached /1M
Scores
10 · 6 core
LongCat 2.0
Meituan LongCat · released 2026-06-30
text
Context
1M
Max out
Input /1M
Output /1M
Cached /1M
Scores
10 · 4 core
Quality

Benchmark matrix

BenchmarkGPT-5.2 ProLongCat 2.0ΔEdge
Reported by both · 2
GPQA Diamond93.2% 88.9% +4.3 ptGPT-5.2 Pro
BrowseComp77.9% 79.9% -2 ptLongCat 2.0
Only GPT-5.2 Pro reports · 8
AIME 2025100% not reported
Humanity's Last Exam (no tools)36.6% not reported
ARC-AGI-1 (Verified)90.5% not reported
ARC-AGI-2 (Verified)54.2% not reported
FrontierMath Tier 4 v2 (Epoch AI run)46% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)74% epochnot reported
GDPval (wins or ties)74.1% not reported
Humanity's Last Exam (with tools)50% not reported
Only LongCat 2.0 reports · 8
FORTEnot reported73.2%
IFEvalnot reported90%
IMO-AnswerBenchnot reported81.8%
RWSearchnot reported78.8%
SWE-bench Multilingualnot reported77.3%
SWE-bench Pronot reported59.5%
Terminal-Bench 2.1not reported70.8%
Writing Benchnot reported83.8%
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 GPT-5.2 Pro minus LongCat 2.0 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

SpecGPT-5.2 ProLongCat 2.0Edge
Context window400K tokens1M tokensLongCat 2.0
Max output128K tokens
Input price / 1M$21
Output price / 1M$168
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$189
Modalitiestext · visiontextGPT-5.2 Pro
Released2025-12-112026-06-30
Cited benchmark scores1010
Reliability

Provider status

All providers
More matchups

GPT-5.2 Pro vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run GPT-5.2 Pro and LongCat 2.0 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.