AI model matchup
Claude Opus 5.5 vs Gemini 4 Carbon
A side-by-side look at published capability scores, listed API pricing, speed, context, and license - to help you decide which trade-offs fit your work.
Claude Opus 5.5vsGemini 4 Carbon
Gemini 4 Carbon leads the RankLLMs Index by 4.2 points (72.8 vs 68.6). Verified API Pricing: $4.00 (Claude Opus 5.5) vs $4.00 (Gemini 4 Carbon) per 1M tokens.
Capability profile
Speed duel
tpsPrice duel
$/1MShorter bar = cheaper. Blended per 1M tokens.
| Metric | Claude Opus 5.5 | Gemini 4 Carbon |
|---|---|---|
| RankLLMs Overall Score | 68.6 pts | 72.8 pts ▲ |
| Reasoning | 94.2 | 97.5 ▲ |
| Coding | 87.5 | 88.2 ▲ |
| Agentic Tool Use | 91.0 | 95.4 ▲ |
| Code Arena Elo | 2750 ▲ | 2380 |
| Inference Speed | 97.9 tps ▲ | 92.4 tps |
| API Price (per 1M tokens) | $4.00 | $4.00 |
| Context Window | 1M | 1M |
| License | Proprietary | Proprietary |
| Global Rank | #2 | #1 ▲ |
Decision notes
What the numbers suggest
Gemini 4 Carbon leads the RankLLMs overall score by 4.2 points. The overall score is only one signal; compare the capability scores and model terms against your own workload.
Treat the overall index as a starting point, then prioritize the benchmark that resembles your task. Published scores and provider pricing can change; this comparison does not represent a first-party test of either model.
- Overall index
- Gemini 4 Carbon leads
- 68.6 to 72.8 pts
- Coding score
- Gemini 4 Carbon leads
- 87.5 to 88.2 pts
- Reasoning score
- Gemini 4 Carbon leads
- 94.2 to 97.5 pts
- Agentic score
- Gemini 4 Carbon leads
- 91.0 to 95.4 pts
Choose by workload
Which profile fits your use?
Anthropic
Consider Claude Opus 5.5 when
you prefer its listed profile or deployment terms. The available scores do not give it a clear lead on the displayed capability measures, so compare it against your own workload before switching.
View Claude Opus 5.5 profileConsider Gemini 4 Carbon when
your workload gives more weight to the higher listed coding score, the higher listed reasoning score, the higher overall index score. Compare those signals with your own task mix, latency needs, and budget.
View Gemini 4 Carbon profile