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Head-to-Head Architectural Faceoff (2026 Live)

Claude Haiku 5.5 vs Gemini 3.8 Flash

Compare Claude Haiku 5.5 vs Gemini 3.8 Flash API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

Claude Haiku 5.5 charges $0.10/1M input and $0.50/1M output tokens, compared to Gemini 3.8 Flash at $0.75/1M input and $3.75/1M output. Claude Haiku 5.5 is 7.5x cheaper on input tokens. In reasoning benchmarks, Claude Haiku 5.5 holds the higher AA Intelligence Index rating (36/100). For latency-critical streaming, Claude Haiku 5.5 delivers 256 t/s (186.0s TTFT) while Gemini 3.8 Flash provides 113 t/s (20.0s TTFT).

Overall Winner
Claude Haiku 5.5
Best Price/IQ Balance
Budget Winner
Claude Haiku 5.5
Claude Haiku 5.5 is 7.5x cheaper on input tokens
Coding & Logic
Claude Haiku 5.5
Higher Benchmark Rating
Context Window
Claude Haiku 5.5
Larger Document Context

Full Metric & Specification Comparison

MetricClaude Haiku 5.5Gemini 3.8 FlashAdvantage
ProviderAnthropicGoogle-
Input Token Cost (1M)$0.100$0.750Claude Haiku 5.5
Output Token Cost (1M)$0.500$3.750Claude Haiku 5.5
Context Window1,000k tokens1,000k tokensTie
AA Intelligence Index36/10031/100Claude Haiku 5.5
Streaming LatencyUltra-FastFast-

Key Architectural Takeaways

  • Input Token Cost: Claude Haiku 5.5 is $0.10/1M vs Gemini 3.8 Flash at $0.75/1M
  • Output Token Cost: Claude Haiku 5.5 is $0.50/1M vs Gemini 3.8 Flash at $3.75/1M
  • Context Window: Claude Haiku 5.5 supports 1,000k tokens vs Gemini 3.8 Flash with 1,000k tokens
  • Benchmark Intelligence Rating: Claude Haiku 5.5 scores 36/100 vs Gemini 3.8 Flash at 31/100 (AA Index v5)
  • Inference Latency: Claude Haiku 5.5 is rated Ultra-Fast vs Gemini 3.8 Flash rated Fast
Interactive Head-to-Head Simulator

Calculate Your Team's Exact Bill Difference

Drag the sliders below to see real-time cost divergences based on your daily token consumption.

Daily Input Tokens500,000 tokens
10k1M5M10M+
Daily Output Tokens250,000 tokens
5k500k2M5M+
Claude Haiku 5.5Anthropic
86.7% Lower Cost
$5.25/mo
$0.10/1M in · $0.50/1M out
IQ Score36/100
Throughput256 t/s
Context1000k
Gemini 3.8 FlashGoogle
$39.38/mo
$0.75/1M in · $3.75/1M out
IQ Score31/100
Throughput113 t/s
Context1000k
Net Financial Advantage

Deploying Claude Haiku 5.5 over Gemini 3.8 Flash saves $34.13/mo ($410/yr) at this volume.

See all Gemini 3.8 Flash alternatives →

Frequently Asked Questions

Is Claude Haiku 5.5 cheaper than Gemini 3.8 Flash?

Claude Haiku 5.5 is significantly more economical, charging $0.10/1M input compared to $0.75/1M for Gemini 3.8 Flash.

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose Claude Haiku 5.5. If you require peak reasoning accuracy and complex tool use, Claude Haiku 5.5 is recommended.

How does context window compare between Claude Haiku 5.5 and Gemini 3.8 Flash?

Claude Haiku 5.5 offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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