ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

GPT-4ovsGPT-5.2

GPT-5.2 leads 6 of 6 shared benchmarks. GPT-4o is 1.3x cheaper per token. 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
0 – 6
GPT-5.2 leads
Cheaper per token
GPT-4o
1.3x cheaper, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
95.4802%
OpenAI
GPT-4o
OpenAI · released 2024-05-13
textvision
Context
128K
Max out
16K
Input /1M
$2.5
Output /1M
$10
Cached /1M
$1.25
Scores
9 · 8 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

BenchmarkGPT-4oGPT-5.2ΔEdge
Reported by both · 6
GPQA Diamond46% 92.4% -46.4 ptGPT-5.2
AIME 202511.7% matharena100% -88.3 ptGPT-5.2
FrontierMath Tiers 1-3 v2 (Epoch AI run)0.4% epoch67.4% epoch-67 ptGPT-5.2
OTIS Mock AIME 2024-2025 (Epoch AI run)6.4% epoch96.1% epoch-89.7 ptGPT-5.2
SimpleQA Verified26% epoch37.1% epoch-11.1 ptGPT-5.2
SWE-bench Verified (Epoch AI run)31% epoch73.8% epoch-42.8 ptGPT-5.2
Only GPT-4o reports · 2
MMLU85.7% not reported
AIME 202413.1% not reported
Only GPT-5.2 reports · 8
SWE-bench Verifiednot reported80%
AIME 2026not reported98.3% matharena
LMArena Elonot reported1412.4
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
GDPval (wins or ties)not reported70.9%
SWE-Bench Pronot reported55.6%
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-4o 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

SpecGPT-4oGPT-5.2Edge
Context window128K tokens400K tokensGPT-5.2
Max output16K tokens128K tokensGPT-5.2
Input price / 1M$2.5 $1.75 GPT-5.2
Output price / 1M$10 $14 GPT-4o
Cached input / 1M$1.25 $0.175 GPT-5.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$12.5$15.75GPT-4o
Modalitiestext · visiontext · visionTie
Released2024-05-132025-12-11
Cited benchmark scores916
Reliability

OpenAI status

All providers
More matchups

GPT-4o vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GPT-4o and GPT-5.2 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.