ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

DeepSeek V3.2vsGPT-5 nano

DeepSeek V3.2 leads 3 of 3 shared benchmarks. GPT-5 nano has the larger context window (400K tokens).

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

Shared benchmarks
3 – 0
DeepSeek V3.2 leads
Cheaper per token
list price, input + output
Larger context
GPT-5 nano
400K tokens
Provider uptime (30d)
100% · 94.2446%
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 nano
OpenAI · released 2025-08-07
textvision
Context
400K
Max out
128K
Input /1M
$0.05
Output /1M
$0.4
Cached /1M
$0.005
Scores
7 · 7 core
Quality

Benchmark matrix

BenchmarkDeepSeek V3.2GPT-5 nanoΔEdge
Reported by both · 3
SWE-bench Verified73.1% 54.7% +18.4 ptDeepSeek V3.2
GPQA Diamond82.4% 69.4% epoch+13 ptDeepSeek V3.2
AIME 202593.1% 85% matharena+8.1 ptDeepSeek V3.2
Only DeepSeek V3.2 reports · 4
MMLU-Pro85% not reported
AIME 202694.2% matharenanot reported
Humanity's Last Exam (no tools)25.1% not reported
LMArena Elo1424.8 not reported
Only GPT-5 nano reports · 4
FrontierMath Tier 4 v2 (Epoch AI run)not reported2.4% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported20% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported81.1% epoch
SimpleQA Verifiednot reported11.7% 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 nano 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 nanoEdge
Context window131K tokens400K tokensGPT-5 nano
Max output66K tokens128K tokensGPT-5 nano
Input price / 1M$0.05
Output price / 1M$0.4
Cached input / 1M$0.005
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$0.45
Modalitiestexttext · visionGPT-5 nano
Released2025-12-012025-08-07
Cited benchmark scores87
Reliability

Provider status

All providers
More matchups

GPT-5 nano vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run DeepSeek V3.2 and GPT-5 nano on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.