Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.6 (Fast) vs Gemini 3.1 Pro Preview
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.6 (Fast) wins on 4/6 benchmarks
Claude Opus 4.6 (Fast) wins 4 of 6 shared benchmarks. Leads in speed · arena.
Category leads
speed·Claude Opus 4.6 (Fast)arena·Claude Opus 4.6 (Fast)knowledge·Gemini 3.1 Pro Preview
Hype vs Reality
Attention vs performance
Claude Opus 4.6 (Fast)
#150 by perf·no signal
Gemini 3.1 Pro Preview
#74 by perf·no signal
Best value
Gemini 3.1 Pro Preview
16.8x better value than Claude Opus 4.6 (Fast)
Claude Opus 4.6 (Fast)
0.5 pts/$
$90.00/M
Gemini 3.1 Pro Preview
8.1 pts/$
$7.00/M
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
Google DeepMind
$4.00T·Tier 1
Head to head
6 benchmarks · 2 models
Claude Opus 4.6 (Fast)Gemini 3.1 Pro Preview
Artificial Analysis · Agentic Index
Claude Opus 4.6 (Fast) leads by +46.2
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
Claude Opus 4.6 (Fast)
67.6
Gemini 3.1 Pro Preview
21.4
Artificial Analysis · Coding Index
Gemini 3.1 Pro Preview leads by +20.7
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
Claude Opus 4.6 (Fast)
48.1
Gemini 3.1 Pro Preview
68.8
Artificial Analysis · Quality Index
Claude Opus 4.6 (Fast) leads by +6.5
Claude Opus 4.6 (Fast)
53.0
Gemini 3.1 Pro Preview
46.5
Chatbot Arena Elo · Coding
Claude Opus 4.6 (Fast) leads by +95.2
Claude Opus 4.6 (Fast)
1542.2
Gemini 3.1 Pro Preview
1447.0
Chatbot Arena Elo · Overall
Claude Opus 4.6 (Fast) leads by +17.3
Claude Opus 4.6 (Fast)
1503.7
Gemini 3.1 Pro Preview
1486.4
VisualToolBench (VTB)
Gemini 3.1 Pro Preview leads by +1.4
Claude Opus 4.6 (Fast)
27.5
Gemini 3.1 Pro Preview
29.0
Full benchmark table
| Benchmark | Claude Opus 4.6 (Fast) | Gemini 3.1 Pro Preview |
|---|---|---|
Artificial Analysis · Agentic Index Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?" | 67.6 | 21.4 |
Artificial Analysis · Coding Index Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads. | 48.1 | 68.8 |
Artificial Analysis · Quality Index | 53.0 | 46.5 |
Chatbot Arena Elo · Coding | 1542.2 | 1447.0 |
Chatbot Arena Elo · Overall | 1503.7 | 1486.4 |
VisualToolBench (VTB) | 27.5 | 29.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $30.00 | $150.00 | 1.0M tokens (~500 books) | $600.00 | |
| $2.00 | $12.00 | 1.0M tokens (~524 books) | $45.00 |