Claude Opus 4.5 vs GPT 5.2
Claude Opus 4.5 vs GPT 5.2: GPT 5.2 is cheaper by 48%. Claude Opus 4.5 from Anthropic (200,000-token context) vs. GPT 5.2 from OpenAI (272,000-token context). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.
Side-by-side cost
Live workload comparison
Same workload run through both models. The cheaper one is highlighted.
3,000
0272,000
400
0128,000
5,000
01,000,000
At this workload, GPT 5.2 is 57% cheaper than Claude Opus 4.5 — a savings of $2,153/month ($25,841/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: gpt-5-2
provider: openai
fallback:
model: claude-opus-4-5
provider: anthropic
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| Claude Opus 4.5 | GPT 5.2 | |
|---|---|---|
| Input price | $5.00/M | $1.75/M |
| Output price | $25.00/M | $14.00/M |
| Context window | 200,000 | 272,000 |
| Max output | 64,000 | 128,000 |
| Function calling | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio input | — | — |
| Reasoning | ✓ | ✓ |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Pricing verified | May 16, 2026 | May 16, 2026 |
Benchmark comparison
Side-by-side public benchmark scores. Greener bar = winner.
Chatbot Arena ELOgeneral
Claude Opus 4.5
1,472
GPT 5.2
1,477
AIME 2025math
Claude Opus 4.5
87.0%
GPT 5.2
100.0%
GPQA Diamondreasoning
Claude Opus 4.5
87.0%
GPT 5.2
92.4%
SWE-bench Verifiedagent
Claude Opus 4.5
80.9%
GPT 5.2
80.0%
ARC-AGI-2reasoning
Claude Opus 4.5
37.6%
GPT 5.2
52.9%