Claude Opus 4.6 vs Gemini 2.5 Pro
Claude Opus 4.6 vs Gemini 2.5 Pro: Gemini 2.5 Pro is cheaper by 75% on average. Claude Opus 4.6 from Azure AI Foundry (200,000-token context, reasoning, tool calls) vs. Gemini 2.5 Pro from Google Vertex AI (1,048,576-token context, reasoning, tool calls). 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
01,048,576
400
0128,000
5,000
01,000,000
At this workload, Gemini 2.5 Pro is 69% cheaper than Claude Opus 4.6 — a savings of $2,625/month ($31,503/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: gemini-2-5-pro
provider: vertex-ai
fallback:
model: claude-opus-4-6
provider: azure-ai-foundry
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| Claude Opus 4.6 | Gemini 2.5 Pro | |
|---|---|---|
| Input price | $5.00/M | $1.25/M |
| Output price | $25.00/M | $10.00/M |
| Context window | 200,000 | 1,048,576 |
| Max output | 128,000 | 65,535 |
| Function calling | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio input | — | ✓ |
| Reasoning | ✓ | ✓ |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Pricing verified | May 12, 2026 | May 12, 2026 |
Benchmark comparison
Side-by-side public benchmark scores. Greener bar = winner.
Chatbot Arena ELOgeneral
Claude Opus 4.6
1,502
Gemini 2.5 Pro
1,448
GPQA Diamondreasoning
Claude Opus 4.6
91.3%
Gemini 2.5 Pro
84.0%
SWE-bench Verifiedagent⚠ different settings
Claude Opus 4.6
81.4%
Gemini 2.5 Pro
63.8%
Humanity's Last Examreasoning⚠ different settings
Claude Opus 4.6
53.0%
Gemini 2.5 Pro
18.8%