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 listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

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

Price
Kimi K2.7 Code
Terminal-Bench
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)
  • Has web search

Kimi K2.7 Code wins

  • Cheaper input ($2.00 vs $0.671 /1M)
  • Cheaper output ($10.00 vs $3.35 /1M)
  • Higher max output (128K vs 262K)
  • More serving providers (9 vs 16)
Cheaper overall
Kimi K2.7 Code
$0.671 + $3.35 /1M
Larger context
Claude Sonnet 5
1M
More providers
Kimi K2.7 Code
16 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
Claude Sonnet 5Kimi K2.7 Code
Input $/1M$2.00via Anthropic $0.671OpenRouter routed quote best
Output $/1M$10.00via Anthropic $3.35OpenRouter routed quote best
Context window1M best262K
Max output128K 262K best
Serving providers9 16 best
DateReleased Jun 30, 2026 Released Jun 13, 2026

Benchmarks

Benchmark scores, side by side
Claude Sonnet 5Kimi K2.7 Code
Intelligence38.2 best25.8
Terminal-Bench81% best67%
GPQA Diamond91% best90%
Output speed85 t/s best64 t/s
Latency (TTFT)187.72s 2.75s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude Sonnet 5
via Azure
$20
Kimi K2.7 Code
via OpenRouter
$6.71

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 $0.671 per 1M tokens) as an OpenRouter routed quote, while Moonshot lists it at $0.95 per 1M input. Kimi K2.7 Code is cheaper for output ($10.00 vs $3.35 per 1M tokens) as an OpenRouter routed quote, while Moonshot lists it at $4.00 per 1M output.
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 benchmarks, Claude Sonnet 5 leads on Terminal-Bench, and Claude Sonnet 5 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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