Compare · ModelsLive · 2 picked · head to head
Claude Mythos Preview vs Kimi K2 Thinking
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Mythos Preview wins on 2/2 benchmarks
Claude Mythos Preview wins 2 of 2 shared benchmarks. Leads in knowledge · coding.
Category leads
knowledge·Claude Mythos Previewcoding·Claude Mythos Preview
Hype vs Reality
Attention vs performance
Claude Mythos Preview
#4 by perf·#2 by attention
Kimi K2 Thinking
#79 by perf·no signal
Best value
Kimi K2 Thinking
Claude Mythos Preview
—
no price
Kimi K2 Thinking
34.4 pts/$
$1.55/M
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
moonshotai
private · undisclosed
Head to head
2 benchmarks · 2 models
Claude Mythos PreviewKimi K2 Thinking
GPQA diamond
Claude Mythos Preview leads by +15.5
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
Kimi K2 Thinking
79.0
Terminal Bench
Claude Mythos Preview leads by +46.3
Terminal-Bench 2.0 · evaluates AI agents on real terminal-based coding tasks · writing scripts, debugging, running tests, and managing projects entirely through command-line interaction. Tests both code quality and terminal fluency. Claude Opus 4.7 scores 69.4%, demonstrating significant agentic terminal competence.
Claude Mythos Preview
82.0
Kimi K2 Thinking
35.7
Full benchmark table
| Benchmark | Claude Mythos Preview | Kimi K2 Thinking |
|---|---|---|
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 | 79.0 |
Terminal Bench Terminal-Bench 2.0 · evaluates AI agents on real terminal-based coding tasks · writing scripts, debugging, running tests, and managing projects entirely through command-line interaction. Tests both code quality and terminal fluency. Claude Opus 4.7 scores 69.4%, demonstrating significant agentic terminal competence. | 82.0 | 35.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| — | — | 1.0M tokens (~500 books) | — | |
| $0.60 | $2.50 | 262K tokens (~131 books) | $10.75 |
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