Claude Sonnet 5 vs Qwen3.6 27B

API pricing, context window and capabilities for Claude Sonnet 5 and Qwen3.6 27B, 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. Qwen3.6 27B wins on price.

Price
Qwen3.6 27B
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)
  • More serving providers (9 vs 8)

Qwen3.6 27B wins

  • Cheaper input ($2.00 vs $0.15 /1M)
  • Cheaper output ($10.00 vs $0.50 /1M)
  • Higher max output (128K vs 262K)
Cheaper overall
Qwen3.6 27B
$0.15 + $0.50 /1M
Larger context
Claude Sonnet 5
1M
More providers
Claude Sonnet 5
9 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.
Claude Sonnet 5Qwen3.6 27B
Input $/1M$2.00via Anthropic $0.15via Libertai best
Output $/1M$10.00via Anthropic $0.50via Libertai best
Context window1M best262K
Max output128K 262K best
Serving providers9 best8
DateReleased Jun 30, 2026 Released Apr 24, 2026

Benchmarks

Benchmark scores, side by side
Claude Sonnet 5Qwen3.6 27B
Intelligence38.2 best21.4
Terminal-Bench81% best61%
GPQA Diamond91% best84%
Output speed85 t/s best58 t/s
Latency (TTFT)187.72s 3.62s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude Sonnet 5
via Azure
$20
Qwen3.6 27B
via Libertai
$1.25

Capabilities

feature support, side by side
FeatureClaude Sonnet 5Qwen3.6 27B
Vision✓✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓✓

Related comparisons

Frequently asked questions

Which is cheaper, Claude Sonnet 5 or Qwen3.6 27B?
Qwen3.6 27B is cheaper for input ($2.00 vs $0.15 per 1M tokens) from Libertai. Qwen3.6 27B is cheaper for output ($10.00 vs $0.50 per 1M tokens) from Libertai.
What is the context window difference between Claude Sonnet 5 and Qwen3.6 27B?
Claude Sonnet 5 has a 1M-token context window and Qwen3.6 27B has 262K tokens, so Claude Sonnet 5 can take a larger prompt.
How do Claude Sonnet 5 and Qwen3.6 27B 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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