GPT-5.4 vs Qwen3.6 27B

API pricing, context window and capabilities for GPT-5.4 and Qwen3.6 27B, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GPT-5.4 wins on coding, on intelligence and on context window. Qwen3.6 27B wins on price.

Price
Qwen3.6 27B
Coding
GPT-5.4
Intelligence
GPT-5.4
Context window
GPT-5.4

Key takeaways

who wins on what, from the published numbers

GPT-5.4 wins

  • Larger context window (1.1M vs 262K)
  • More serving providers (2 vs 1)
  • Has reasoning mode
  • Supports prompt caching
  • Supports structured output
  • Has web search

Qwen3.6 27B wins

  • Cheaper input ($2.50 vs $0.15 /1M)
  • Cheaper output ($15.00 vs $0.50 /1M)
  • Higher max output (128K vs 262K)
Cheaper overall
Qwen3.6 27B
$0.15 + $0.50 /1M
Larger context
GPT-5.4
1.1M
More providers
GPT-5.4
2 providers

Pricing & specs

cheapest serving route · per 1M tokens
GPT-5.4Qwen3.6 27B
Input $/1M$2.50 $0.15 best
Output $/1M$15.00 $0.50 best
Context window1.1M best262K
Max output128K 262K best
Serving providers2 best1
Released2026-03-05 2026-04-24

Benchmarks

Artificial Analysis indices, side by side
GPT-5.4Qwen3.6 27B
Intelligence51.4 best37.0
Coding71.0 best53.7
GPQA Diamond92% best84%
Output speed144 t/s best57 t/s
Latency (TTFT)27.88s best33.07s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-5.4
via Azure
$28
Qwen3.6 27B
via Libertai
$1.25

Capabilities

feature support, side by side
FeatureGPT-5.4Qwen3.6 27B
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, GPT-5.4 or Qwen3.6 27B?
Qwen3.6 27B is cheaper for input ($2.50 vs $0.15 per 1M tokens). Qwen3.6 27B is cheaper for output ($15.00 vs $0.50 per 1M tokens).
What is the context window difference between GPT-5.4 and Qwen3.6 27B?
GPT-5.4 has a 1.1M-token context window and Qwen3.6 27B has 262K tokens, so GPT-5.4 can take a larger prompt.
How do GPT-5.4 and Qwen3.6 27B compare on benchmarks?
On the tracked Artificial Analysis indices, GPT-5.4 leads on coding, and GPT-5.4 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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