Claude Sonnet 5 vs Kimi K2.7 Code

API pricing, context window and capabilities for Claude Sonnet 5 and Kimi K2.7 Code, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Claude Sonnet 5 wins on coding, on intelligence and on context window. Kimi K2.7 Code wins on price.

Price
Kimi K2.7 Code
Coding
Claude Sonnet 5
Intelligence
Claude Sonnet 5
Context window
Claude Sonnet 5

Key takeaways

who wins on what, from the published numbers

Claude Sonnet 5 wins

  • Larger context window (1M vs 262K)
  • More serving providers (4 vs 1)
  • Supports vision
  • Supports prompt caching
  • Supports structured output

Kimi K2.7 Code wins

  • Cheaper input ($2.00 vs $0.95 /1M)
  • Cheaper output ($10.00 vs $4.00 /1M)
  • Higher max output (128K vs 262K)
Cheaper overall
Kimi K2.7 Code
$0.95 + $4.00 /1M
Larger context
Claude Sonnet 5
1M
More providers
Claude Sonnet 5
4 providers

Pricing & specs

cheapest serving route · per 1M tokens
Claude Sonnet 5Kimi K2.7 Code
Input $/1M$2.00 $0.95 best
Output $/1M$10.00 $4.00 best
Context window1M best262K
Max output128K 262K best
Serving providers4 best1
Released2026-06-30 2026-06-13

Benchmarks

Artificial Analysis indices, side by side
Claude Sonnet 5Kimi K2.7 Code
Intelligence53.4 best42.0
Coding71.5 best60.8
GPQA Diamond91% best90%
Output speed67 t/s best45 t/s
Latency (TTFT)42.19s 39.31s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude Sonnet 5
via Amazon Bedrock
$20
Kimi K2.7 Code
via Cloudflare
$8.75

Capabilities

feature support, side by side
FeatureClaude Sonnet 5Kimi K2.7 Code
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, Claude Sonnet 5 or Kimi K2.7 Code?
Kimi K2.7 Code is cheaper for input ($2.00 vs $0.95 per 1M tokens). Kimi K2.7 Code is cheaper for output ($10.00 vs $4.00 per 1M tokens).
What is the context window difference between Claude Sonnet 5 and Kimi K2.7 Code?
Claude Sonnet 5 has a 1M-token context window and Kimi K2.7 Code has 262K tokens, so Claude Sonnet 5 can take a larger prompt.
How do Claude Sonnet 5 and Kimi K2.7 Code compare on benchmarks?
On the tracked Artificial Analysis indices, Claude Sonnet 5 leads on coding, and Claude Sonnet 5 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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