Claude Mythos 5 vs
Step 3.7 Flash

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
Model type
Open Weight
Evidence state
Estimated evidence
Published context
256,000

Key implications

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

  1. Input API price: Step 3.7 Flash has the lower verified rate ($0.2 / 1M tokens vs $10 / 1M tokens).
  2. Output API price: Step 3.7 Flash has the lower verified rate ($1.15 / 1M tokens vs $50 / 1M tokens).
  3. Context window: Claude Mythos 5 has the larger published context window (1,000,000 tokens vs 256,000 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 · Step 3.7 Flash: 45.59
  • CodingClaude Mythos 5: 81.66 · Step 3.7 Flash: 50.77
  • KnowledgeClaude Mythos 5: 97.4 · Step 3.7 Flash: Unavailable
  • MultimodalGroundedClaude Mythos 5: 84.8 · Step 3.7 Flash: Unavailable
  • OverallClaude Mythos 5: 83.4 · Step 3.7 Flash: 51.05

Source metrics

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

Source metric comparison
MetricUnitClaude Mythos 5Step 3.7 Flash
Agenticscore75.7945.59
Codingscore81.6650.77
Knowledgescore97.4Unavailable
MultimodalGroundedscore84.8Unavailable
Overallscore83.451.05

Agentic

Unit
score
Claude Mythos 5
75.79
Step 3.7 Flash
45.59

Coding

Unit
score
Claude Mythos 5
81.66
Step 3.7 Flash
50.77

Knowledge

Unit
score
Claude Mythos 5
97.4
Step 3.7 Flash
Unavailable

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
Step 3.7 Flash
Unavailable

Overall

Unit
score
Claude Mythos 5
83.4
Step 3.7 Flash
51.05

Pricing and context

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

Route pricing and context comparison
FieldUnitClaude Mythos 5Step 3.7 Flash
Input API priceUSD / 1M tokens$10$0.2
Cached input API priceUSD / 1M tokens$1Not verified
Output API priceUSD / 1M tokens$50$1.15
Route contexttokens1,000,000256,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Mythos 5
$10
Step 3.7 Flash
$0.2

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
Step 3.7 Flash
Not verified

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
Step 3.7 Flash
$1.15

Route context

Unit
tokens
Claude Mythos 5
1,000,000
Step 3.7 Flash
256,000

Input modalities

Unit
published list
Claude Mythos 5
Not verified
Step 3.7 Flash
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
Step 3.7 Flash
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
  • Step 3.7 Flash — source benchlm · artifact models · model step-3-7-flash
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • Step 3.7 Flash — route benchlm:step-3-7-flash · source benchlm · provider stepfun

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