Claude Sonnet 5 vs
Kimi K3

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.

Anthropic

Claude Sonnet 5

Model type: Proprietary
Evidence state: Estimated evidence
Published context: 1,000,000

Moonshot AI

Kimi K3

Model type: Unknown
Evidence state: Supported evidence
Published context: 1,050,000

Key implications

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

Input API price: Claude Sonnet 5 has the lower verified rate ($2 / 1M tokens vs $3 / 1M tokens).
Output API price: Claude Sonnet 5 has the lower verified rate ($10 / 1M tokens vs $15 / 1M tokens).
Context window: Kimi K3 has the larger published context window (1,050,000 tokens vs 1,000,000 tokens).

Shared metric view

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

Comparable metric detail

AgenticClaude Sonnet 5: 67.22 · Kimi K3: 73.64
CodingClaude Sonnet 5: 70.73 · Kimi K3: 78.58
KnowledgeClaude Sonnet 5: 84.6 · Kimi K3: 83.8
MultimodalGroundedClaude Sonnet 5: 71.8 · Kimi K3: 86.2
OverallClaude Sonnet 5: 65.02 · Kimi K3: 80.61

Source metrics

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

Source metric comparison
Metric	Unit	Claude Sonnet 5	Kimi K3
Agentic	score	67.22	73.64
Coding	score	70.73	78.58
Knowledge	score	84.6	83.8
MultimodalGrounded	score	71.8	86.2
Overall	score	65.02	80.61

Agentic

Unit: score
Claude Sonnet 5: 67.22
Kimi K3: 73.64

Coding

Unit: score
Claude Sonnet 5: 70.73
Kimi K3: 78.58

Knowledge

Unit: score
Claude Sonnet 5: 84.6
Kimi K3: 83.8

MultimodalGrounded

Unit: score
Claude Sonnet 5: 71.8
Kimi K3: 86.2

Overall

Unit: score
Claude Sonnet 5: 65.02
Kimi K3: 80.61

Pricing and context

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

Claude Sonnet 5 pricing routePrimary sourceKimi K3 pricing routePrimary source

Route pricing and context comparison
Field	Unit	Claude Sonnet 5	Kimi K3
Input API price	USD / 1M tokens	$2	$3
Cached input API price	USD / 1M tokens	$0.2	$0.3
Output API price	USD / 1M tokens	$10	$15
Route context	tokens	1,000,000	1,050,000
Input modalities	published list	Not verified	Not verified
Output modalities	published list	Not verified	Not verified

Input API price

Unit: USD / 1M tokens
Claude Sonnet 5: $2
Kimi K3: $3

Cached input API price

Unit: USD / 1M tokens
Claude Sonnet 5: $0.2
Kimi K3: $0.3

Output API price

Unit: USD / 1M tokens
Claude Sonnet 5: $10
Kimi K3: $15

Route context

Unit: tokens
Claude Sonnet 5: 1,000,000
Kimi K3: 1,050,000

Input modalities

Unit: published list
Claude Sonnet 5: Not verified
Kimi K3: Not verified

Output modalities

Unit: published list
Claude Sonnet 5: Not verified
Kimi K3: 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 Sonnet 5 — source benchlm · artifact models · model claude-sonnet-5
Kimi K3 — source benchlm · artifact models · model kimi-3
Selected price routes: Claude Sonnet 5 — route benchlm:claude-sonnet-5 · source benchlm · provider anthropic
Kimi K3 — route benchlm:kimi-3 · source benchlm · provider moonshot-ai

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