Which model is better: Claude 3.5 Haiku or Qwen 3.8 27B?

Qwen 3.8 27B is 75.0% cheaper for input tokens ($0.20 vs. $0.80 per 1M tokens) and $0.60 vs. $4.00 for output tokens (4.0x cost difference). In terms of operational performance, Qwen 3.8 27B delivers faster response latency with 120ms TTFT (70ms faster than Claude 3.5 Haiku). Qwen 3.8 27B leads coding benchmarks at 58.4% SWE-bench vs. 40.6% for Claude 3.5 Haiku.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension Claude 3.5 Haiku Qwen 3.8 27B Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $0.20 Qwen 3.8 27B is 4.0x cheaper
Output Cost / 1M Tokens $4.00 $0.60 Qwen 3.8 27B (85.0% lower)
Prompt Cache Read / 1M $0.080 $0.050 Qwen 3.8 27B is 1.6x cheaper
Prompt Cache Write / 1M $1.00 $0.20 Qwen 3.8 27B is 5.0x cheaper
Avg TTFT Response Latency 190ms 120ms Qwen 3.8 27B (+70ms faster)
SWE-bench Verified (Coding) 40.6% 58.4% Qwen 3.8 27B (+17.8% lead)
Inference Value Score (IVR) 55.5 / 100 75.7 / 100 Qwen 3.8 27B (+20.2 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

Claude 3.5 Haiku $18.00

$0.80/1M in · $4.00/1M out

Prompt Cache: $0.080/1M read · $1.00/1M write

Qwen 3.8 27B $3.50

$0.20/1M in · $0.60/1M out

Prompt Cache: $0.050/1M read · $0.20/1M write

Projected Monthly Cost Reduction
$14.50 / mo
(80.6% lower cost with Qwen 3.8 27B)
A

When to Choose Claude 3.5 Haiku

Choose Claude 3.5 Haiku when you need Rapid, cost-efficient model delivering high intelligence at sub-second response times for interactive tools. and have an infrastructure budget aligned with $0.80/1M tokens.

B

When to Choose Qwen 3.8 27B

Choose Qwen 3.8 27B when you need High-performance 27B open weights optimized for local deployment, code generation, and low-latency production pipelines. and prioritize Alibaba Cloud ecosystem integration at $0.20/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or Qwen 3.8 27B?

Qwen 3.8 27B is cheaper at $0.20/1M input tokens compared to $0.80/1M for Claude 3.5 Haiku.

Which model has lower latency: Claude 3.5 Haiku or Qwen 3.8 27B?

Qwen 3.8 27B delivers faster response times with an average TTFT of 120ms vs 190ms for Claude 3.5 Haiku.

When should you choose Claude 3.5 Haiku?

Choose Claude 3.5 Haiku when you need Rapid, cost-efficient model delivering high intelligence at sub-second response times for interactive tools. and have an infrastructure budget aligned with $0.80/1M tokens.

When should you choose Qwen 3.8 27B?

Choose Qwen 3.8 27B when you need High-performance 27B open weights optimized for local deployment, code generation, and low-latency production pipelines. and prioritize Alibaba Cloud ecosystem integration at $0.20/1M tokens.

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