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Claude 3.7 SonnetvsGPT-5.2

GPT-5.2 leads 5 of 5 shared benchmarks. GPT-5.2 is 1.1x 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 – 5
GPT-5.2 leads
Cheaper per token
GPT-5.2
1.1x cheaper, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
100% · 95.4674%
Anthropic · OpenAI
Claude 3.7 Sonnet
Anthropic · released 2025-02-24
textvision
Context
200K
Max out
128K
Input /1M
$3
Output /1M
$15
Cached /1M
$0.3
Scores
5 · 5 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 3.7 SonnetGPT-5.2ΔEdge
Reported by both · 5
SWE-bench Verified70.3% 80% -9.7 ptGPT-5.2
GPQA Diamond79.7% epoch92.4% -12.7 ptGPT-5.2
AIME 202549.2% matharena100% -50.8 ptGPT-5.2
OTIS Mock AIME 2024-2025 (Epoch AI run)57.8% epoch96.1% epoch-38.3 ptGPT-5.2
SWE-bench Verified (Epoch AI run)61% epoch73.8% epoch-12.8 ptGPT-5.2
Only Claude 3.7 Sonnet reports · 0
Claude 3.7 Sonnet reports nothing GPT-5.2 does not.
Only GPT-5.2 reports · 9
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
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported67.4% epoch
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 3.7 Sonnet 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 3.7 SonnetGPT-5.2Edge
Context window200K tokens400K tokensGPT-5.2
Max output128K tokens128K tokensTie
Input price / 1M$3 $1.75 GPT-5.2
Output price / 1M$15 $14 GPT-5.2
Cached input / 1M$0.3 $0.175 GPT-5.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18$15.75GPT-5.2
Modalitiestext · visiontext · visionTie
Released2025-02-242025-12-11
Cited benchmark scores516
Reliability

Provider status

All providers
More matchups

Claude 3.7 Sonnet vs …

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Public benchmarks are a starting point. Run Claude 3.7 Sonnet and GPT-5.2 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.