Claude 3.5 Haiku vs GPT-5.6 Sol
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Claude 3.5 Haiku or GPT-5.6 Sol?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Claude 3.5 Haiku | GPT-5.6 Sol | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.80 | $8.00 | Claude 3.5 Haiku is 10.0x cheaper |
| Output Cost / 1M Tokens | $4.00 | $32.00 | Claude 3.5 Haiku (87.5% lower) |
| Avg TTFT Response Latency | 140ms | 420ms | Claude 3.5 Haiku (+280ms faster) |
| SWE-bench Verified (Coding) | 40.6% | 79.5% | GPT-5.6 Sol (+38.9% lead) |
| Inference Value Score (IVR) | 70.4 / 100 | 35.3 / 100 | Claude 3.5 Haiku (+35.1 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$0.8/1M in · $4/1M out
$8/1M in · $32/1M out
When to Choose Claude 3.5 Haiku
Choose Claude 3.5 Haiku when you need High-speed API routing, conversational triage, extraction, and edge agent tasks. and have an infrastructure budget aligned with $0.80/1M tokens.
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 prioritize OpenAI ecosystem integration at $8.00/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Claude 3.5 Haiku or GPT-5.6 Sol?
Claude 3.5 Haiku is cheaper at $0.80/1M input tokens compared to $8.00/1M for GPT-5.6 Sol.
Which model has lower latency: Claude 3.5 Haiku or GPT-5.6 Sol?
Claude 3.5 Haiku delivers faster response times with an average TTFT of 140ms vs 420ms for GPT-5.6 Sol.
When should you choose Claude 3.5 Haiku?
Choose Claude 3.5 Haiku when you need High-speed API routing, conversational triage, extraction, and edge agent tasks. and have an infrastructure budget aligned with $0.80/1M tokens.
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 prioritize OpenAI ecosystem integration at $8.00/1M tokens.