Claude Opus 4.6 vs Gemini 2.5 Pro
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Quick verdict: which should you choose?
Choose Claude Opus 4.6 if you need
- ✓Choose Claude Opus 4.6 if you need higher intelligence_index performance on nuanced reasoning tasks.
- ✓Choose Claude Opus 4.6 if you need careful safety-aligned responses and high-quality structured outputs.
- ✓Choose Claude Opus 4.6 if you need effective handling of large inputs with known output speed of 38.97 t/s.
Choose Gemini 2.5 Pro if you need
- ✓Choose Gemini 2.5 Pro if you need lower output price at $10 per million tokens.
- ✓Choose Gemini 2.5 Pro if you need native support for multiple modalities with strong text-visual-audio integration.
- ✓Choose Gemini 2.5 Pro if you need handling of complex multi-part files in a slightly larger 1,048,576-token context.
Verdict
Claude Opus 4.6 leads on intelligence (43.7 vs 27) and structured reasoning outputs while Gemini 2.5 Pro wins on price ($10 vs $25 per million tokens) and native multimodal integration. Context windows are nearly identical, with Gemini's 1,048,576 tokens edging Claude's 1,000,000. Speed data exists only for Claude at 38.97 t/s; Gemini's multimodal handling is stronger but latency rises on large inputs.
Claude Opus 4.6 vs Gemini 2.5 Pro: side by side
| Spec | Claude Opus 4.6 | Gemini 2.5 Pro | Winner |
|---|---|---|---|
| Intelligence | 43.7 | 27 | Claude Opus 4.6 |
| Output speed | 39 t/s | — | Tie |
| Output price | $25.00/1M | $10.00/1M | Gemini 2.5 Pro |
| Context | 1000K | 1049K | Gemini 2.5 Pro |
| Params | — | — | Tie |
| Provider | Anthropic | Tie |
Detailed analysis
Intelligence
Winner: Claude Opus 4.6Claude Opus 4.6 scores 43.7 on the intelligence_index compared to Gemini 2.5 Pro's 27. This aligns with its listed strengths in nuanced reasoning and high-quality structured outputs.
Pricing
Winner: Gemini 2.5 ProGemini 2.5 Pro costs $10 per million tokens versus Claude Opus 4.6 at $25 per million tokens. No other pricing details are provided.
Context & Multimodal
Winner: Gemini 2.5 ProGemini offers a 1,048,576-token window and native multi-modality support with text-visual-audio integration. Claude's 1,000,000-token window is close but lacks the same explicit multimodal strengths.
Speed
Winner: Claude Opus 4.6Claude Opus 4.6 reports 38.97 tokens per second output speed. Gemini 2.5 Pro speed is unspecified, though its limitations note higher latency on very large multimodal inputs.
Claude Opus 4.6
Pros
- +Strong performance on nuanced reasoning tasks
- +Careful and safety-aligned responses
- +Effective handling of large inputs
Cons
- –Slower response times on complex queries
- –More conservative on borderline topics
- –No native real-time web access
Gemini 2.5 Pro
Pros
- +Very large context window for extended inputs
- +Native support for multiple modalities in one model
- +Strong integration of text with visual and audio data
Cons
- –Higher latency on very large multimodal inputs
- –Performance can vary with extremely long contexts
- –Dependent on Google infrastructure for access
Summary: Claude Opus 4.6 vs Gemini 2.5 Pro
Select Claude Opus 4.6 for reasoning-heavy work that values its higher intelligence score and structured outputs. Select Gemini 2.5 Pro when price and native multimodal file handling matter most. Both are proprietary closed models with comparable context sizes.
Frequently asked questions
It depends on priorities: Claude Opus 4.6 for higher intelligence and reasoning, Gemini 2.5 Pro for lower cost and native multimodal capabilities.