Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos Preview
99
DeepSeek-R1
33
Verified leaderboard positions: Claude Mythos Preview #1 · DeepSeek-R1 unranked
Benchmark data for Claude Mythos Preview and DeepSeek-R1 is coming soon on BenchLM.
Claude Mythos Preview
DeepSeek-R1
$25 / $125
$0.55 / $2.19
N/A
N/A
N/A
N/A
1M
128K
Benchmark data for Claude Mythos Preview and DeepSeek-R1 is coming soon on BenchLM.
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude Mythos Preview is priced at $25.00 input / $125.00 output per 1M tokens, versus $0.55 input / $2.19 output per 1M tokens for DeepSeek-R1. Claude Mythos Preview has the larger context window at 1M, compared with 128K for DeepSeek-R1.
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
Claude Mythos Preview: $25.00 input / $125.00 output per 1M tokens DeepSeek-R1: $0.55 input / $2.19 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Estimates at 50,000 req/day · 1000 tokens/req average.
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