Which model is better: Claude 3.5 Haiku or OpenAI GPT-4o?

Claude 3.5 Haiku is 68.0% cheaper for input tokens ($0.80 vs. $2.50 per 1M tokens) and $4.00 vs. $10.00 for output tokens (3.1x cost difference). In terms of operational performance, Claude 3.5 Haiku delivers faster response latency with 140ms TTFT (140ms faster than OpenAI GPT-4o). Claude 3.5 Haiku leads coding benchmarks at 40.6% SWE-bench vs. 38.8% for OpenAI GPT-4o.
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 OpenAI GPT-4o Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $2.50 Claude 3.5 Haiku is 3.1x cheaper
Output Cost / 1M Tokens $4.00 $10.00 Claude 3.5 Haiku (60% lower)
Avg TTFT Response Latency 140ms 280ms Claude 3.5 Haiku (+140ms faster)
SWE-bench Verified (Coding) 40.6% 38.8% Claude 3.5 Haiku (+1.8% lead)
Inference Value Score (IVR) 70.4 / 100 45.5 / 100 Claude 3.5 Haiku (+24.9 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

Claude 3.5 Haiku $5.45

$0.8/1M in · $4/1M out

OpenAI GPT-4o $67.50

$2.5/1M in · $10/1M out

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

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.

B

When to Choose OpenAI GPT-4o

Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or OpenAI GPT-4o?

Claude 3.5 Haiku is cheaper at $0.80/1M input tokens compared to $2.50/1M for OpenAI GPT-4o.

Which model has lower latency: Claude 3.5 Haiku or OpenAI GPT-4o?

Claude 3.5 Haiku delivers faster response times with an average TTFT of 140ms vs 280ms for OpenAI GPT-4o.

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 OpenAI GPT-4o?

Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.

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