Model Comparison

Qwen3.5 27B (Non-reasoning)
vs. Reka Flash (Sep '24)

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

Recommended Pick

Alibaba logoQwen3.5 27B (Non-reasoning)5 metric wins

Strongest on: Throughput, TTFT, Latency

Best Value

Reka AI logo

Reka Flash (Sep '24)

100.0 value score

29.6 reasoning / $0.35/1M

Lowest Price

Reka AI logo

Reka Flash (Sep '24)

$0.20/1M input price

Best Reasoning

Alibaba logo

Qwen3.5 27B (Non-reasoning)

42.2 reasoning score

Blends available reasoning benchmarks

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Reka Flash (Sep '24) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Reka Flash (Sep '24) is 1.5x cheaper on input tokens than Qwen3.5 27B (Non-reasoning).

Speed gap

Qwen3.5 27B (Non-reasoning) generates about 1.1x as many tokens per second as Reka Flash (Sep '24).

Reasoning gap

Qwen3.5 27B (Non-reasoning) leads Reka Flash (Sep '24) by 12.6 points on reasoning.

Top-pick rationale

Qwen3.5 27B (Non-reasoning) wins 5 measurable categories, including Throughput, TTFT, Latency, Reasoning.

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 27B (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 27B (Non-reasoning)
Alibaba
Reka AI logoReka Flash (Sep '24)
Reka AI
Pricing per 1M tokens
Input Cost$0.30/1M$0.20/1M
Output Cost$2.40/1M$0.80/1M
Blended (3:1)$0.82/1M$0.35/1M
Specifications
OrganizationAlibabaReka AI
Release DateFeb 24, 2026Oct 4, 2024
Performance & Speed
Throughput91.8 tok/s85.1 tok/s
TTFT1356ms1677ms
Latency1356ms1677ms
Composite Indices
Value Score60.6100.0
Reasoning Score42.229.6
Intelligence29.36.3
Standard Benchmarks
GPQA84.2%
HLE13.2%
MATH 50052.9%
SciCode36.7%
LCR55.7%
IFBench46.9%
TAU-bench v287.1%
TerminalBench Hard31.8%

Key Takeaways

Reka Flash (Sep '24) offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.

Qwen3.5 27B (Non-reasoning) has the strongest reasoning profile with a 42.2 reasoning score,combining the available reasoning-heavy benchmarks.

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 27B (Non-reasoning)

  • Complex reasoning tasks
  • Research & analysis
Reka AI logo

Reka Flash (Sep '24)

  • Cost-sensitive applications
  • High-volume processing