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

GPT-4o Mini is 81.2% cheaper for input tokens ($0.15 vs. $0.80 per 1M tokens) and $0.60 vs. $4.00 for output tokens (5.3x cost difference). In terms of operational performance, Claude 3.5 Haiku delivers faster response latency with 190ms TTFT (30ms faster than GPT-4o Mini). GPT-4o Mini leads coding benchmarks at 41.0% 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 GPT-4o Mini Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $0.15 GPT-4o Mini is 5.3x cheaper
Output Cost / 1M Tokens $4.00 $0.60 GPT-4o Mini (85.0% lower)
Prompt Cache Read / 1M $0.080 $0.075 GPT-4o Mini is 1.1x cheaper
Prompt Cache Write / 1M $1.00 $0.15 GPT-4o Mini is 6.7x cheaper
Avg TTFT Response Latency 190ms 220ms Claude 3.5 Haiku (+30ms faster)
SWE-bench Verified (Coding) 40.6% 41% GPT-4o Mini (+0.4% lead)
Inference Value Score (IVR) 55.5 / 100 70.6 / 100 GPT-4o Mini (+15.1 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

Claude 3.5 Haiku $18.00

$0.80/1M in · $4.00/1M out

Prompt Cache: $0.080/1M read · $1.00/1M write

GPT-4o Mini $3.00

$0.15/1M in · $0.60/1M out

Prompt Cache: $0.075/1M read · $0.15/1M write

Projected Monthly Cost Reduction
$15.00 / mo
(83.3% lower cost with GPT-4o Mini)
A

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.

B

When to Choose GPT-4o Mini

Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and prioritize OpenAI ecosystem integration at $0.15/1M tokens.

Related Questions & Decision Factors

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

GPT-4o Mini is cheaper at $0.15/1M input tokens compared to $0.80/1M for Claude 3.5 Haiku.

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

Claude 3.5 Haiku delivers faster response times with an average TTFT of 190ms vs 220ms for GPT-4o Mini.

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-4o Mini?

Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and prioritize OpenAI ecosystem integration at $0.15/1M tokens.

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