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Claude Opus 4.1vsGPT-5.2

GPT-5.2 leads 6 of 6 shared benchmarks. GPT-5.2 is 5.7x 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-5.2
5.7x cheaper, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
100% · 95.3623%
Anthropic · OpenAI
Claude Opus 4.1
Anthropic · released 2025-08-05
textvision
Context
200K
Max out
32K
Input /1M
$15
Output /1M
$75
Cached /1M
$1.5
Scores
6 · 6 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

BenchmarkClaude Opus 4.1GPT-5.2ΔEdge
Reported by both · 6
SWE-bench Verified74.5% 80% -5.5 ptGPT-5.2
GPQA Diamond77.3% epoch92.4% -15.1 ptGPT-5.2
FrontierMath Tier 4 v2 (Epoch AI run)2.4% epoch31.7% epoch-29.3 ptGPT-5.2
FrontierMath Tiers 1-3 v2 (Epoch AI run)12.6% epoch67.4% epoch-54.8 ptGPT-5.2
OTIS Mock AIME 2024-2025 (Epoch AI run)68.9% epoch96.1% epoch-27.2 ptGPT-5.2
SWE-bench Verified (Epoch AI run)73.3% epoch73.8% epoch-0.5 ptGPT-5.2
Only Claude Opus 4.1 reports · 0
Claude Opus 4.1 reports nothing GPT-5.2 does not.
Only GPT-5.2 reports · 8
AIME 2025not reported100%
AIME 2026not reported98.3% matharena
LMArena Elonot reported1412.4
ARC-AGI-1 (Verified)not reported86.2%
ARC-AGI-2 (Verified)not reported52.9%
GDPval (wins or ties)not reported70.9%
SimpleQA Verifiednot reported37.1% epoch
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 Claude Opus 4.1 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

SpecClaude Opus 4.1GPT-5.2Edge
Context window200K tokens400K tokensGPT-5.2
Max output32K tokens128K tokensGPT-5.2
Input price / 1M$15 $1.75 GPT-5.2
Output price / 1M$75 $14 GPT-5.2
Cached input / 1M$1.5 $0.175 GPT-5.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$90$15.75GPT-5.2
Modalitiestext · visiontext · visionTie
Released2025-08-052025-12-11
Cited benchmark scores616
Reliability

Provider status

All providers
More matchups

Claude Opus 4.1 vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run Claude Opus 4.1 and GPT-5.2 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.