Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.6 vs Claude Opus 4.6 (Fast)
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.6 wins on 7/9 benchmarks
Claude Opus 4.6 wins 7 of 9 shared benchmarks. Leads in safety · knowledge · agentic.
Category leads
arena·Claude Opus 4.6 (Fast)safety·Claude Opus 4.6knowledge·Claude Opus 4.6agentic·Claude Opus 4.6
Hype vs Reality
Attention vs performance
Claude Opus 4.6
#136 by perf·#7 by attention
Claude Opus 4.6 (Fast)
#170 by perf·#7 by attention
Best value
Claude Opus 4.6
6.7x better value than Claude Opus 4.6 (Fast)
Claude Opus 4.6
3.2 pts/$
$15.00/M
Claude Opus 4.6 (Fast)
0.5 pts/$
$90.00/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Anthropic
$965.0B·Tier 1
Head to head
9 benchmarks · 2 models
Claude Opus 4.6Claude Opus 4.6 (Fast)
Chatbot Arena Elo · Coding
Claude Opus 4.6 (Fast) leads by +5.2
Claude Opus 4.6
1537.0
Claude Opus 4.6 (Fast)
1542.2
Chatbot Arena Elo · Overall
Claude Opus 4.6 (Fast) leads by +6.4
Claude Opus 4.6
1497.3
Claude Opus 4.6 (Fast)
1503.7
MASK
Claude Opus 4.6
96.3
Claude Opus 4.6 (Fast)
96.3
Professional Reasoning · Finance
Claude Opus 4.6
53.3
Claude Opus 4.6 (Fast)
53.3
Professional Reasoning · Legal
Claude Opus 4.6
52.3
Claude Opus 4.6 (Fast)
52.3
Remote Labor Index (RLI)
Claude Opus 4.6
4.2
Claude Opus 4.6 (Fast)
4.2
SWE Atlas · Codebase QnA
Claude Opus 4.6
33.3
Claude Opus 4.6 (Fast)
33.3
SWE Atlas · Test Writing
Claude Opus 4.6
36.7
Claude Opus 4.6 (Fast)
36.7
VisualToolBench (VTB)
Claude Opus 4.6
27.5
Claude Opus 4.6 (Fast)
27.5
Full benchmark table
| Benchmark | Claude Opus 4.6 | Claude Opus 4.6 (Fast) |
|---|---|---|
Chatbot Arena Elo · Coding | 1537.0 | 1542.2 |
Chatbot Arena Elo · Overall | 1497.3 | 1503.7 |
MASK | 96.3 | 96.3 |
Professional Reasoning · Finance | 53.3 | 53.3 |
Professional Reasoning · Legal | 52.3 | 52.3 |
Remote Labor Index (RLI) | 4.2 | 4.2 |
SWE Atlas · Codebase QnA | 33.3 | 33.3 |
SWE Atlas · Test Writing | 36.7 | 36.7 |
VisualToolBench (VTB) | 27.5 | 27.5 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $5.00 | $25.00 | 1.0M tokens (~500 books) | $100.00 | |
| $30.00 | $150.00 | 1.0M tokens (~500 books) | $600.00 |