Claude Mythos 5 vs
Kimi K2.5

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
M

Moonshot AI

Kimi K2.5

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

Key implications

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

  1. On Agentic, Claude Mythos 5 has a higher supported BenchLM score (75.79 vs 39.47).
  2. On Overall, Claude Mythos 5 has a higher supported BenchLM score (83.4 vs 59.14).
  3. Input API price: Kimi K2.5 has the lower verified rate ($0.6 / 1M tokens vs $10 / 1M tokens).
  4. Output API price: Kimi K2.5 has the lower verified rate ($3 / 1M tokens vs $50 / 1M 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 · Kimi K2.5: 39.47
  • CodingClaude Mythos 5: 81.66 · Kimi K2.5: 56.8
  • InstructionFollowingClaude Mythos 5: Unavailable · Kimi K2.5: 91.2
  • KnowledgeClaude Mythos 5: 97.4 · Kimi K2.5: 54.6
  • MathClaude Mythos 5: Unavailable · Kimi K2.5: 62.5
  • MultilingualClaude Mythos 5: Unavailable · Kimi K2.5: 38.2
  • MultimodalGroundedClaude Mythos 5: 84.8 · Kimi K2.5: 60.7
  • ReasoningClaude Mythos 5: Unavailable · Kimi K2.5: 44.9
  • OverallClaude Mythos 5: 83.4 · Kimi K2.5: 59.14

Source metrics

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

Source metric comparison
MetricUnitClaude Mythos 5Kimi K2.5
Agenticscore75.7939.47
Codingscore81.6656.8
InstructionFollowingscoreUnavailable91.2
Knowledgescore97.454.6
MathscoreUnavailable62.5
MultilingualscoreUnavailable38.2
MultimodalGroundedscore84.860.7
ReasoningscoreUnavailable44.9
Overallscore83.459.14

Agentic

Unit
score
Claude Mythos 5
75.79
Kimi K2.5
39.47

Coding

Unit
score
Claude Mythos 5
81.66
Kimi K2.5
56.8

InstructionFollowing

Unit
score
Claude Mythos 5
Unavailable
Kimi K2.5
91.2

Knowledge

Unit
score
Claude Mythos 5
97.4
Kimi K2.5
54.6

Math

Unit
score
Claude Mythos 5
Unavailable
Kimi K2.5
62.5

Multilingual

Unit
score
Claude Mythos 5
Unavailable
Kimi K2.5
38.2

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
Kimi K2.5
60.7

Reasoning

Unit
score
Claude Mythos 5
Unavailable
Kimi K2.5
44.9

Overall

Unit
score
Claude Mythos 5
83.4
Kimi K2.5
59.14

Pricing and context

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

Route pricing and context comparison
FieldUnitClaude Mythos 5Kimi K2.5
Input API priceUSD / 1M tokens$10$0.6
Cached input API priceUSD / 1M tokens$1Not verified
Output API priceUSD / 1M tokens$50$3
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
Kimi K2.5
$0.6

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
Kimi K2.5
Not verified

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
Kimi K2.5
$3

Route context

Unit
tokens
Claude Mythos 5
1,000,000
Kimi K2.5
256,000

Input modalities

Unit
published list
Claude Mythos 5
Not verified
Kimi K2.5
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
Kimi K2.5
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
  • Kimi K2.5 — source benchlm · artifact models · model kimi-k2-5
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • Kimi K2.5 — route benchlm:kimi-k2-5 · source benchlm · provider moonshot-ai

Switch model pair

Choose from this result’s current and reviewed related models. Switching opens a reviewed comparison; it does not change this result’s evidence.

Step 1

Start with popular models, or search the full selectable directory.

Step 2

Start with popular models, or search the full selectable directory.