Which model is better: GPT-5.6 Sol or Qwen 2.5 72B Instruct?

Qwen 2.5 72B Instruct is 95.6% cheaper for input tokens ($0.35 vs. $8.00 per 1M tokens) and $0.40 vs. $32.00 for output tokens (22.9x cost difference). In terms of operational performance, Qwen 2.5 72B Instruct delivers faster response latency with 420ms TTFT (0ms faster than GPT-5.6 Sol). GPT-5.6 Sol leads coding benchmarks at 79.5% SWE-bench vs. 44.0% for Qwen 2.5 72B Instruct.
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 GPT-5.6 Sol Qwen 2.5 72B Instruct Net Delta / Advantage
Input Cost / 1M Tokens $8.00 $0.35 Qwen 2.5 72B Instruct is 22.9x cheaper
Output Cost / 1M Tokens $32.00 $0.40 Qwen 2.5 72B Instruct (7900% lower)
Avg TTFT Response Latency 420ms 420ms Qwen 2.5 72B Instruct (+0ms faster)
SWE-bench Verified (Coding) 79.5% 44% GPT-5.6 Sol (+35.5% lead)
Inference Value Score (IVR) 35.3 / 100 99.9 / 100 Qwen 2.5 72B Instruct (+64.6 pts)

Interactive Monthly Token Economics & ROI Forecaster

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

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

Estimated Monthly Spend

GPT-5.6 Sol $5.45

$8/1M in · $32/1M out

Qwen 2.5 72B Instruct $67.50

$0.35/1M in · $0.4/1M out

Projected Monthly Cost Reduction
$62.05 / mo
(91.9% lower cost)
A

When to Choose GPT-5.6 Sol

Choose GPT-5.6 Sol when you need High-order STEM research, autonomous enterprise executive workflow coordination, and heavy deep-reasoning pipelines. and have an infrastructure budget aligned with $8.00/1M tokens.

B

When to Choose Qwen 2.5 72B Instruct

Choose Qwen 2.5 72B Instruct when you need Open-source dense flagship model offering state-of-the-art multi-language understanding, mathematical reasoning, and JSON generation. and prioritize Alibaba Cloud ecosystem integration at $0.35/1M tokens.

Related Questions & Decision Factors

Which is cheaper: GPT-5.6 Sol or Qwen 2.5 72B Instruct?

Qwen 2.5 72B Instruct is cheaper at $0.35/1M input tokens compared to $8.00/1M for GPT-5.6 Sol.

Which model has lower latency: GPT-5.6 Sol or Qwen 2.5 72B Instruct?

Qwen 2.5 72B Instruct delivers faster response times with an average TTFT of 420ms vs 420ms for GPT-5.6 Sol.

When should you choose GPT-5.6 Sol?

Choose GPT-5.6 Sol when you need High-order STEM research, autonomous enterprise executive workflow coordination, and heavy deep-reasoning pipelines. and have an infrastructure budget aligned with $8.00/1M tokens.

When should you choose Qwen 2.5 72B Instruct?

Choose Qwen 2.5 72B Instruct when you need Open-source dense flagship model offering state-of-the-art multi-language understanding, mathematical reasoning, and JSON generation. and prioritize Alibaba Cloud ecosystem integration at $0.35/1M tokens.

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