Claude Mythos 5 vs
o1

Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.

Models in this comparison

Provider identity and evidence state stay balanced across the pair.

A
Model type
Proprietary
Evidence state
Supported evidence
Published context
1,000,000
VS
O

OpenAI

o1

Model type
Proprietary
Evidence state
Estimated evidence
Published context
200,000

Key implications

Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.

  1. Input API price: Claude Mythos 5 has the lower verified rate ($10 / 1M tokens vs $15 / 1M tokens).
  2. Output API price: Claude Mythos 5 has the lower verified rate ($50 / 1M tokens vs $60 / 1M tokens).
  3. Context window: Claude Mythos 5 has the larger published context window (1,000,000 tokens vs 200,000 tokens).

Shared metric view

A radar is shown only when at least four compatible supported score metrics are published.

Comparable metric detail

  • AgenticClaude Mythos 5: 75.79 · o1: Unavailable
  • CodingClaude Mythos 5: 81.66 · o1: 50.05
  • InstructionFollowingClaude Mythos 5: Unavailable · o1: 86.3
  • KnowledgeClaude Mythos 5: 97.4 · o1: 67
  • MathClaude Mythos 5: Unavailable · o1: 32.7
  • MultimodalGroundedClaude Mythos 5: 84.8 · o1: Unavailable
  • OverallClaude Mythos 5: 83.4 · o1: 48.35

Source metrics

Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.

Source metric comparison
MetricUnitClaude Mythos 5o1
Agenticscore75.79Unavailable
Codingscore81.6650.05
InstructionFollowingscoreUnavailable86.3
Knowledgescore97.467
MathscoreUnavailable32.7
MultimodalGroundedscore84.8Unavailable
Overallscore83.448.35

Agentic

Unit
score
Claude Mythos 5
75.79
o1
Unavailable

Coding

Unit
score
Claude Mythos 5
81.66
o1
50.05

InstructionFollowing

Unit
score
Claude Mythos 5
Unavailable
o1
86.3

Knowledge

Unit
score
Claude Mythos 5
97.4
o1
67

Math

Unit
score
Claude Mythos 5
Unavailable
o1
32.7

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
o1
Unavailable

Overall

Unit
score
Claude Mythos 5
83.4
o1
48.35

Pricing and context

Verification is shown beside each selected route. Missing facts remain Not verified.

Route pricing and context comparison
FieldUnitClaude Mythos 5o1
Input API priceUSD / 1M tokens$10$15
Cached input API priceUSD / 1M tokens$1Not verified
Output API priceUSD / 1M tokens$50$60
Route contexttokens1,000,000200,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Mythos 5
$10
o1
$15

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
o1
Not verified

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
o1
$60

Route context

Unit
tokens
Claude Mythos 5
1,000,000
o1
200,000

Input modalities

Unit
published list
Claude Mythos 5
Not verified
o1
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
o1
Not verified

Evidence provenance

Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.

Publication time
Aug 30, 2026, 2:15 AM UTC
Freshness
Stale — Published weekly benchmark evidence has not refreshed within 8 days.
Methodology
benchlm: benchlm_raw_composite
Model records
  • Claude Mythos 5 — source benchlm · artifact models · model claude-mythos-5
  • o1 — source benchlm · artifact models · model o1
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • o1 — route benchlm:o1 · source benchlm · provider openai

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