Claude Opus 4.6 (2026-02-05) vs Gemini 2.5 Flash
Claude Opus 4.6 (2026-02-05) vs Gemini 2.5 Flash: Gemini 2.5 Flash is cheaper by 94% on average. Claude Opus 4.6 (2026-02-05) from Anthropic (1,000,000-token context, reasoning, tool calls) vs. Gemini 2.5 Flash 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 Flash is 92% cheaper than Claude Opus 4.6 (2026-02-05) — a savings of $3,516/month ($42,186/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: gemini-2-5-flash
provider: vertex-ai
fallback:
model: claude-opus-4-6-20260205
provider: anthropic
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| Claude Opus 4.6 (2026-02-05) | Gemini 2.5 Flash | |
|---|---|---|
| Input price | $5.00/M | $0.300/M |
| Output price | $25.00/M | $2.50/M |
| Context window | 1,000,000 | 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 (2026-02-05)
1,498
Gemini 2.5 Flash
1,335