Which model is better: Claude 3.5 Haiku or OpenAI o1?

Claude 3.5 Haiku is 94.7% cheaper for input tokens ($0.80 vs. $15.00 per 1M tokens) and $4.00 vs. $60.00 for output tokens (18.8x cost difference). In terms of operational performance, Claude 3.5 Haiku delivers faster response latency with 140ms TTFT (710ms faster than OpenAI o1). OpenAI o1 leads coding benchmarks at 48.9% SWE-bench vs. 40.6% for Claude 3.5 Haiku.
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 o1 Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $15.00 Claude 3.5 Haiku is 18.8x cheaper
Output Cost / 1M Tokens $4.00 $60.00 Claude 3.5 Haiku (93.3% lower)
Avg TTFT Response Latency 140ms 850ms Claude 3.5 Haiku (+710ms faster)
SWE-bench Verified (Coding) 40.6% 48.9% OpenAI o1 (+8.3% lead)
Inference Value Score (IVR) 70.4 / 100 21 / 100 Claude 3.5 Haiku (+49.4 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 o1 $67.50

$15/1M in · $60/1M 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 o1

Choose OpenAI o1 when you need Complex PhD-level multi-step science research, formal algorithm synthesis, and high-stakes reasoning pipelines. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or OpenAI o1?

Claude 3.5 Haiku is cheaper at $0.80/1M input tokens compared to $15.00/1M for OpenAI o1.

Which model has lower latency: Claude 3.5 Haiku or OpenAI o1?

Claude 3.5 Haiku delivers faster response times with an average TTFT of 140ms vs 850ms for OpenAI o1.

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 o1?

Choose OpenAI o1 when you need Complex PhD-level multi-step science research, formal algorithm synthesis, and high-stakes reasoning pipelines. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

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