Claude Mythos 5 vs
DeepSeek V3

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
D

DeepSeek

DeepSeek V3

Model type
Open Weight
Evidence state
Supported evidence
Published context
128,000

Key implications

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

  1. On Overall, Claude Mythos 5 has a higher supported BenchLM score (83.4 vs 44.57).
  2. Input API price: DeepSeek V3 has the lower verified rate ($0.27 / 1M tokens vs $10 / 1M tokens).
  3. Output API price: DeepSeek V3 has the lower verified rate ($1.1 / 1M tokens vs $50 / 1M tokens).
  4. Context window: Claude Mythos 5 has the larger published context window (1,000,000 tokens vs 128,000 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 · DeepSeek V3: 38.57
  • CodingClaude Mythos 5: 81.66 · DeepSeek V3: 42.49
  • KnowledgeClaude Mythos 5: 97.4 · DeepSeek V3: Unavailable
  • MathClaude Mythos 5: Unavailable · DeepSeek V3: 26.2
  • MultimodalGroundedClaude Mythos 5: 84.8 · DeepSeek V3: Unavailable
  • OverallClaude Mythos 5: 83.4 · DeepSeek V3: 44.57

Source metrics

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

Source metric comparison
MetricUnitClaude Mythos 5DeepSeek V3
Agenticscore75.7938.57
Codingscore81.6642.49
Knowledgescore97.4Unavailable
MathscoreUnavailable26.2
MultimodalGroundedscore84.8Unavailable
Overallscore83.444.57

Agentic

Unit
score
Claude Mythos 5
75.79
DeepSeek V3
38.57

Coding

Unit
score
Claude Mythos 5
81.66
DeepSeek V3
42.49

Knowledge

Unit
score
Claude Mythos 5
97.4
DeepSeek V3
Unavailable

Math

Unit
score
Claude Mythos 5
Unavailable
DeepSeek V3
26.2

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
DeepSeek V3
Unavailable

Overall

Unit
score
Claude Mythos 5
83.4
DeepSeek V3
44.57

Pricing and context

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

Route pricing and context comparison
FieldUnitClaude Mythos 5DeepSeek V3
Input API priceUSD / 1M tokens$10$0.27
Cached input API priceUSD / 1M tokens$1$0.07
Output API priceUSD / 1M tokens$50$1.1
Route contexttokens1,000,000128,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Mythos 5
$10
DeepSeek V3
$0.27

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
DeepSeek V3
$0.07

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
DeepSeek V3
$1.1

Route context

Unit
tokens
Claude Mythos 5
1,000,000
DeepSeek V3
128,000

Input modalities

Unit
published list
Claude Mythos 5
Not verified
DeepSeek V3
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
DeepSeek V3
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
  • DeepSeek V3 — source benchlm · artifact models · model deepseek-v3
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • DeepSeek V3 — route benchlm:deepseek-v3 · source benchlm · provider deepseek

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