Claude 3.5 Haiku vs GPT-4.5
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Claude 3.5 Haiku or GPT-4.5?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Claude 3.5 Haiku | GPT-4.5 | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.80 | $75.00 | Claude 3.5 Haiku is 93.8x cheaper |
| Output Cost / 1M Tokens | $4.00 | $150.00 | Claude 3.5 Haiku (97.3% lower) |
| Prompt Cache Read / 1M | $0.080 | $37.500 | Claude 3.5 Haiku is 468.8x cheaper |
| Prompt Cache Write / 1M | $1.00 | $75.00 | Claude 3.5 Haiku is 75.0x cheaper |
| Avg TTFT Response Latency | 190ms | 850ms | Claude 3.5 Haiku (+660ms faster) |
| SWE-bench Verified (Coding) | 40.6% | 38% | Claude 3.5 Haiku (+2.6% lead) |
| Inference Value Score (IVR) | 55.5 / 100 | 22.1 / 100 | Claude 3.5 Haiku (+33.4 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$0.80/1M in · $4.00/1M out
Prompt Cache: $0.080/1M read · $1.00/1M write
$75.00/1M in · $150.00/1M out
Prompt Cache: $37.500/1M read · $75.00/1M write
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.
When to Choose GPT-4.5
Choose GPT-4.5 when you need Deep world-knowledge synthesis, high-EQ conversational nuance, and long-form creative generation requiring massive pretraining breadth. and prioritize OpenAI ecosystem integration at $75.00/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Claude 3.5 Haiku or GPT-4.5?
Claude 3.5 Haiku is cheaper at $0.80/1M input tokens compared to $75.00/1M for GPT-4.5.
Which model has lower latency: Claude 3.5 Haiku or GPT-4.5?
Claude 3.5 Haiku delivers faster response times with an average TTFT of 190ms vs 850ms for GPT-4.5.
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 GPT-4.5?
Choose GPT-4.5 when you need Deep world-knowledge synthesis, high-EQ conversational nuance, and long-form creative generation requiring massive pretraining breadth. and prioritize OpenAI ecosystem integration at $75.00/1M tokens.