Compare · ModelsLive · 2 picked · head to head
Claude Sonnet 5.5 vs GPT-6.1 Sol
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Sonnet 5.5 wins on 4/6 benchmarks
Claude Sonnet 5.5 wins 4 of 6 shared benchmarks. Leads in speed.
Category leads
speed·Claude Sonnet 5.5
Hype vs Reality
Attention vs performance
Claude Sonnet 5.5
#11 by perf·#10 by attention
GPT-6.1 Sol
no bench·#1 by attention
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
6 benchmarks · 2 models
Claude Sonnet 5.5GPT-6.1 Sol
Artificial Analysis · CritPt
GPT-6.1 Sol leads by +0.3
Claude Sonnet 5.5
31.4
GPT-6.1 Sol
31.7
Artificial Analysis · GDPval
Claude Sonnet 5.5 leads by +13.2
Claude Sonnet 5.5
67.0
GPT-6.1 Sol
53.8
Artificial Analysis · Humanity's Last Exam
Claude Sonnet 5.5 leads by +2.1
Claude Sonnet 5.5
55.0
GPT-6.1 Sol
52.9
Artificial Analysis · Long Context Reasoning
GPT-6.1 Sol leads by +0.3
Claude Sonnet 5.5
82.7
GPT-6.1 Sol
83.0
Artificial Analysis · Quality Index
Claude Sonnet 5.5 leads by +4.2
Claude Sonnet 5.5
56.0
GPT-6.1 Sol
51.8
Artificial Analysis · SciCode
Claude Sonnet 5.5 leads by +6.8
Claude Sonnet 5.5
61.0
GPT-6.1 Sol
54.2
Full benchmark table
| Benchmark | Claude Sonnet 5.5 | GPT-6.1 Sol |
|---|---|---|
Artificial Analysis · CritPt | 31.4 | 31.7 |
Artificial Analysis · GDPval | 67.0 | 53.8 |
Artificial Analysis · Humanity's Last Exam | 55.0 | 52.9 |
Artificial Analysis · Long Context Reasoning | 82.7 | 83.0 |
Artificial Analysis · Quality Index | 56.0 | 51.8 |
Artificial Analysis · SciCode | 61.0 | 54.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.0M tokens (~500 books) | $40.00 | |
| $2.00 | $10.00 | 1.1M tokens (~525 books) | $40.00 |
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