Which model is better: Gemini 2.5 Pro or Qwen 3.8 27B?

Qwen 3.8 27B is 84.0% cheaper for input tokens ($0.20 vs. $1.25 per 1M tokens) and $0.60 vs. $10.00 for output tokens (6.2x cost difference). In terms of operational performance, Qwen 3.8 27B delivers faster response latency with 120ms TTFT (230ms faster than Gemini 2.5 Pro). Gemini 2.5 Pro leads coding benchmarks at 65.0% SWE-bench vs. 58.4% for Qwen 3.8 27B.
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 Gemini 2.5 Pro Qwen 3.8 27B Net Delta / Advantage
Input Cost / 1M Tokens $1.25 $0.20 Qwen 3.8 27B is 6.3x cheaper
Output Cost / 1M Tokens $10.00 $0.60 Qwen 3.8 27B (94.0% lower)
Prompt Cache Read / 1M $0.313 $0.050 Qwen 3.8 27B is 6.3x cheaper
Prompt Cache Write / 1M $1.25 $0.20 Qwen 3.8 27B is 6.3x cheaper
Avg TTFT Response Latency 700ms 120ms Qwen 3.8 27B (+580ms faster)
SWE-bench Verified (Coding) 63.8% 58.4% Gemini 2.5 Pro (+5.4% lead)
Inference Value Score (IVR) 56.1 / 100 75.7 / 100 Qwen 3.8 27B (+19.6 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

Gemini 2.5 Pro $37.50

$1.25/1M in · $10.00/1M out

Prompt Cache: $0.313/1M read · $1.25/1M 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
$34.00 / mo
(90.7% lower cost with Qwen 3.8 27B)
A

When to Choose Gemini 2.5 Pro

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and have an infrastructure budget aligned with $1.25/1M 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: Gemini 2.5 Pro or Qwen 3.8 27B?

Qwen 3.8 27B is cheaper at $0.20/1M input tokens compared to $1.25/1M for Gemini 2.5 Pro.

Which model has lower latency: Gemini 2.5 Pro or Qwen 3.8 27B?

Qwen 3.8 27B delivers faster response times with an average TTFT of 120ms vs 700ms for Gemini 2.5 Pro.

When should you choose Gemini 2.5 Pro?

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and have an infrastructure budget aligned with $1.25/1M 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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