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Compare / head-to-head

DeepSeek V3.2vsGPT-5.2

GPT-5.2 leads 4 of 5 shared benchmarks. GPT-5.2 has the larger context window (400K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
1 – 4
GPT-5.2 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
100% · 95.5432%
DeepSeek · OpenAI
DeepSeek V3.2
DeepSeek · released 2025-12-01
text
Context
131K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
8 · 7 core
GPT-5.2
OpenAI · released 2025-12-11
textvision
Context
400K
Max out
128K
Input /1M
$1.75
Output /1M
$14
Cached /1M
$0.175
Scores
16 · 11 core
Quality

Benchmark matrix

BenchmarkDeepSeek V3.2GPT-5.2ΔEdge
Reported by both · 5
SWE-bench Verified73.1% 80% -6.9 ptGPT-5.2
GPQA Diamond82.4% 92.4% -10 ptGPT-5.2
AIME 202593.1% 100% -6.9 ptGPT-5.2
AIME 202694.2% matharena98.3% matharena-4.1 ptGPT-5.2
LMArena Elo1424.8 1412.4 +12.4DeepSeek V3.2
Only DeepSeek V3.2 reports · 2
MMLU-Pro85% not reported
Humanity's Last Exam (no tools)25.1% not reported
Only GPT-5.2 reports · 9
ARC-AGI-1 (Verified)not reported86.2%
ARC-AGI-2 (Verified)not reported52.9%
FrontierMath Tier 4 v2 (Epoch AI run)not reported31.7% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported67.4% epoch
GDPval (wins or ties)not reported70.9%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported96.1% epoch
SimpleQA Verifiednot reported37.1% epoch
SWE-Bench Pronot reported55.6%
SWE-bench Verified (Epoch AI run)not reported73.8% epoch
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 DeepSeek V3.2 minus GPT-5.2 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

SpecDeepSeek V3.2GPT-5.2Edge
Context window131K tokens400K tokensGPT-5.2
Max output66K tokens128K tokensGPT-5.2
Input price / 1M$1.75
Output price / 1M$14
Cached input / 1M$0.175
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$15.75
Modalitiestexttext · visionGPT-5.2
Released2025-12-012025-12-11
Cited benchmark scores816
Reliability

Provider status

All providers
Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run DeepSeek V3.2 and GPT-5.2 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.