Which model is better: Claude 3.5 Haiku or Gemini 2.5 Pro?

Claude 3.5 Haiku is 36.0% cheaper for input tokens ($0.80 vs. $1.25 per 1M tokens) and $4.00 vs. $10.00 for output tokens (1.6x cost difference). In terms of operational performance, Claude 3.5 Haiku delivers faster response latency with 190ms TTFT (160ms faster than Gemini 2.5 Pro). Gemini 2.5 Pro leads coding benchmarks at 65.0% 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 Gemini 2.5 Pro Net Delta / Advantage
Input Cost / 1M Tokens $0.80 $1.25 Claude 3.5 Haiku is 1.6x cheaper
Output Cost / 1M Tokens $4.00 $10.00 Claude 3.5 Haiku (60.0% lower)
Prompt Cache Read / 1M $0.080 $0.313 Claude 3.5 Haiku is 3.9x cheaper
Prompt Cache Write / 1M $1.00 $1.25 Claude 3.5 Haiku is 1.3x cheaper
Avg TTFT Response Latency 190ms 700ms Claude 3.5 Haiku (+510ms faster)
SWE-bench Verified (Coding) 40.6% 63.8% Gemini 2.5 Pro (+23.2% lead)
Inference Value Score (IVR) 55.5 / 100 56.1 / 100 Gemini 2.5 Pro (+0.6 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

Gemini 2.5 Pro $37.50

$1.25/1M in · $10.00/1M out

Prompt Cache: $0.313/1M read · $1.25/1M write

Projected Monthly Cost Reduction
$19.50 / mo
(52.0% lower cost with Claude 3.5 Haiku)
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 Gemini 2.5 Pro

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and prioritize Google ecosystem integration at $1.25/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Claude 3.5 Haiku or Gemini 2.5 Pro?

Claude 3.5 Haiku is cheaper at $0.80/1M input tokens compared to $1.25/1M for Gemini 2.5 Pro.

Which model has lower latency: Claude 3.5 Haiku or Gemini 2.5 Pro?

Claude 3.5 Haiku delivers faster response times with an average TTFT of 190ms vs 700ms for Gemini 2.5 Pro.

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 Gemini 2.5 Pro?

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and prioritize Google ecosystem integration at $1.25/1M tokens.

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