Compare · ModelsLive · 2 picked · head to head
Claude Mythos Preview vs GPT-6.1 Sol
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Mythos Preview wins on 1/1 benchmarks
Claude Mythos Preview wins 1 of 1 shared benchmarks. Leads in knowledge.
Category leads
knowledge·Claude Mythos Preview
Hype vs Reality
Attention vs performance
Claude Mythos Preview
#5 by perf·no signal
GPT-6.1 Sol
#6 by perf·#2 by attention
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
1 benchmark · 2 models
Claude Mythos PreviewGPT-6.1 Sol
GPQA diamond
Claude Mythos Preview leads by +0.6
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Mythos Preview
94.5
GPT-6.1 Sol
93.9
Full benchmark table
| Benchmark | Claude Mythos Preview | GPT-6.1 Sol |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 94.5 | 93.9 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| — | — | 1.0M tokens (~500 books) | — | |
| $2.00 | $10.00 | 1.1M tokens (~525 books) | $40.00 |