Compare/Claude 4.5 Haiku (Reasoning) vs Qwen3.5 Omni Plus

Claude 4.5 Haiku (Reasoning)vsQwen3.5 Omni Plus

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Anthropic

Claude 4.5 Haiku (Reasoning)

Input
$1/M
Output
$5/M
Speed
112 tok/s
TTFT
11.60s
Alibaba

Qwen3.5 Omni Plus

Input
$0.4/M
Output
$4.8/M
Speed
50 tok/s
TTFT
1.32s

Winner by Category

Cheaper
Qwen3.5 Omni Plus
Faster (tok/s)
Claude 4.5 Haiku (Reasoning)
Lower Latency
Qwen3.5 Omni Plus
Benchmarks (8-3)
Claude 4.5 Haiku (Reasoning)

Pricing Comparison

MetricClaude 4.5 Haiku (Reasoning)Qwen3.5 Omni Plus
Input ($/M tokens)$1$0.4
Output ($/M tokens)$5$4.8
Cost for 1M input + 100K output tokens:
Claude 4.5 Haiku (Reasoning)$1.50
Qwen3.5 Omni Plus$0.88

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 4.5 Haiku (Reasoning)
112 tok/s
Qwen3.5 Omni Plus
50 tok/s
Time to First Token (seconds) — lower is better
Claude 4.5 Haiku (Reasoning)
11.60s
Qwen3.5 Omni Plus
1.32s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
37.138.6
Coding Index
32.627.6
Math Index
83.7
GPQA Diamond
67.2%82.6%
MMLU-Pro
76.0%
LiveCodeBench
61.5%
AIME 2025
83.7%
MATH-500
Humanity's Last Exam
9.7%13.9%
SciCode
43.3%40.5%
IFBench
54.3%51.2%
TerminalBench
27.3%21.2%
Claude 4.5 Haiku (Reasoning)8 wins
3 winsQwen3.5 Omni Plus

Frequently Asked Questions

Which is cheaper, Claude 4.5 Haiku (Reasoning) or Qwen3.5 Omni Plus?

Qwen3.5 Omni Plus is cheaper overall. Its blended price (3:1 input/output ratio) is $1.50/M tokens vs $2.00/M for Claude 4.5 Haiku (Reasoning).

Which model performs better on benchmarks?

Claude 4.5 Haiku (Reasoning) wins 8 out of 12 benchmarks compared to 3 for Qwen3.5 Omni Plus. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude 4.5 Haiku (Reasoning) generates tokens faster at 112 tok/s vs 50 tok/s. However, Qwen3.5 Omni Plus has lower time-to-first-token (1.32s vs 11.60s).

When should I use Claude 4.5 Haiku (Reasoning) vs Qwen3.5 Omni Plus?

Choose based on your priorities: Qwen3.5 Omni Plus for lower cost, Claude 4.5 Haiku (Reasoning) for stronger benchmark performance, and Claude 4.5 Haiku (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.