Model Comparison

Qwen3.5 4B (Non-reasoning)
vs. Reka Flash (Sep '24)

Comparing 2 AI models · 8 benchmarks · Alibaba, Reka AI

Recommended Pick

Alibaba logoQwen3.5 4B (Non-reasoning)8 metric wins

Strongest on: Value, Input price, Output price

Best Value

Alibaba logo

Qwen3.5 4B (Non-reasoning)

100.0 value score

31.6 reasoning / $0.06/1M

Lowest Price

Alibaba logo

Qwen3.5 4B (Non-reasoning)

$0.03/1M input price

Best Reasoning

Alibaba logo

Qwen3.5 4B (Non-reasoning)

31.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

Alibaba logo

Qwen3.5 4B (Non-reasoning)

20.3 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Qwen3.5 4B (Non-reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Qwen3.5 4B (Non-reasoning) is 6.7x cheaper on input tokens than Reka Flash (Sep '24).

Speed gap

Reka Flash (Sep '24) generates about 2.5x as many tokens per second as Qwen3.5 4B (Non-reasoning).

Reasoning gap

Qwen3.5 4B (Non-reasoning) leads Reka Flash (Sep '24) by 2.0 points on reasoning.

Top-pick rationale

Qwen3.5 4B (Non-reasoning) wins 8 measurable categories, including Value, Input price, Output price, Blended price.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

Alibaba logo

Qwen3.5 4B (Non-reasoning)

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Reka AI logo

Reka Flash (Sep '24)

Reka AI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
Top Pick
Alibaba logoQwen3.5 4B (Non-reasoning)
Alibaba
Reka AI logoReka Flash (Sep '24)
Reka AI
Pricing per 1M tokens
Input Cost$0.03/1M$0.20/1M
Output Cost$0.15/1M$0.80/1M
Blended (3:1)$0.06/1M$0.35/1M
Specifications
OrganizationAlibabaReka AI
Release DateMar 2, 2026Oct 4, 2024
Performance & Speed
Throughput34.1 tok/s85.2 tok/s
TTFT400ms1723ms
Latency400ms1723ms
Composite Indices
Value Score100.016.1
Reasoning Score31.629.6
Intelligence16.06.3
Coding20.3
Standard Benchmarks
GPQA71.2%
HLE7.5%
MATH 50052.9%
SciCode18.3%
LCR28.3%
IFBench33.3%
TAU-bench v287.7%
TerminalBench Hard11.4%

Key Takeaways

Qwen3.5 4B (Non-reasoning) offers the best value at $0.03/1M,making it ideal for high-volume applications and cost-conscious projects.

Qwen3.5 4B (Non-reasoning) has the strongest reasoning profile with a 31.6 reasoning score,combining the available reasoning-heavy benchmarks.

Qwen3.5 4B (Non-reasoning) reaches a 20.3 coding index,making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Alibaba logo

Qwen3.5 4B (Non-reasoning)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
Reka AI logo

Reka Flash (Sep '24)

  • General-purpose AI
  • Versatile applications