Compare · ModelsLive · 2 picked · head to head
Claude Mythos Preview vs Step 3.5 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Mythos Preview wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Claude Mythos Preview · Step 3.5 Flash are still filling in scores.
Hype vs Reality
Attention vs performance
Claude Mythos Preview
#2 by perf·#2 by attention
Step 3.5 Flash
#7 by perf·#11 by attention
Best value
Step 3.5 Flash
Claude Mythos Preview
—
no price
Step 3.5 Flash
384.5 pts/$
$0.20/M
Vendor risk
Mixed exposure
One or more vendors flagged
Anthropic
$380.0B·Tier 1
StepFun
$5.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Claude Mythos Preview | — | — | 1.0M tokens (~500 books) | — |
| Step 3.5 Flash | $0.10 | $0.30 | 262K tokens (~131 books) | $1.50 |
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