Which model is better: Claude 3.5 Haiku or DeepSeek-R1?

DeepSeek-R1 is 31.2% cheaper for input tokens ($0.55 vs. $0.80 per 1M tokens) and $2.19 vs. $4.00 for output tokens (1.5x cost difference). In terms of operational performance, Claude 3.5 Haiku delivers faster response latency with 140ms TTFT (1660ms faster than DeepSeek-R1). DeepSeek-R1 leads coding benchmarks at 49.2% 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 DeepSeek-R1 Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $0.55 DeepSeek-R1 is 1.5x cheaper
Output Cost / 1M Tokens $4.00 $2.19 DeepSeek-R1 (82.6% lower)
Avg TTFT Response Latency 140ms 1800ms Claude 3.5 Haiku (+1660ms faster)
SWE-bench Verified (Coding) 40.6% 49.2% DeepSeek-R1 (+8.6% lead)
Inference Value Score (IVR) 70.4 / 100 99.9 / 100 DeepSeek-R1 (+29.5 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

DeepSeek-R1 $67.50

$0.55/1M in · $2.19/1M 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 DeepSeek-R1

Choose DeepSeek-R1 when you need Open-weights chain-of-thought reasoning for complex mathematics, algorithmic programming, and scientific research. and prioritize DeepSeek ecosystem integration at $0.55/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or DeepSeek-R1?

DeepSeek-R1 is cheaper at $0.55/1M input tokens compared to $0.80/1M for Claude 3.5 Haiku.

Which model has lower latency: Claude 3.5 Haiku or DeepSeek-R1?

Claude 3.5 Haiku delivers faster response times with an average TTFT of 140ms vs 1800ms for DeepSeek-R1.

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 DeepSeek-R1?

Choose DeepSeek-R1 when you need Open-weights chain-of-thought reasoning for complex mathematics, algorithmic programming, and scientific research. and prioritize DeepSeek ecosystem integration at $0.55/1M tokens.

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