Head-to-head · Anthropic vs Google

Claude Haiku 4.5 vs Gemini 3.8 Flash

CH
Claude Haiku 4.5
Anthropic · API: $1 in / $5 out per M tokens
vs
G3
Gemini 3.8 Flash
Google · API: $0.75 in / $3.75 out per M tokens

Quick answer: Claude Haiku 4.5 stands out for cheapest way to use Claude at scale. Gemini 3.8 Flash stands out for strong quality for a fast, low-cost model. Reviewed September 2026.

Overview

Claude Haiku 4.5: Claude Haiku 4.5 is Anthropic's fast, low-cost model at $1 and $5 per million tokens. It suits high-volume tasks such as classification, extraction and short drafting, where response speed and cost matter more than deep reasoning.

Gemini 3.8 Flash: Gemini 3.8 Flash, released on 2 September 2026, is Google's newest Flash model, aimed at long-horizon engineering and agent tasks. It is priced at $0.75 and $3.75 per million tokens, a rate Google lists through 31 December 2026, after which it rises to $1.50 and $7.50.

At a glance

DimensionClaude Haiku 4.5Gemini 3.8 Flash
VendorAnthropicGoogle
Starting priceAPI: $1 in / $5 out per M tokensAPI: $0.75 in / $3.75 out per M tokens
Pricing model Paid Paid
Free tier No No
CategoryGenerative AIGenerative AI

Strengths and limits

Claude Haiku 4.5

  • Cheapest way to use Claude at scale
  • Good quality for classification and extraction
  • Low latency

Watch out for

  • Weaker on long, multi-step reasoning
  • Haiku 5.5 is announced as coming soon
  • Less reliable on complex tool chains

Gemini 3.8 Flash

  • Strong quality for a fast, low-cost model
  • Well suited to agentic and coding workflows
  • Backed by Google's multimodal stack

Watch out for

  • Listed price applies through 31 December 2026
  • Below Pro-tier models on the hardest reasoning
  • Very new, so limited independent evaluations

Key features

Claude Haiku 4.5

  • Fast responses for interactive and high-volume use
  • Lowest price in the current Claude lineup
  • Tool use support
  • Batch pricing at half the standard rate

Gemini 3.8 Flash

  • Latest Flash-tier Gemini model
  • Built for agents and long-horizon engineering tasks
  • Low per-token price
  • Available through the Gemini API

Pricing compared

Claude Haiku 4.5 is priced by usage rather than by seat: API: $1 in / $5 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.

Gemini 3.8 Flash is priced by usage rather than by seat: API: $0.75 in / $3.75 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.

Profession-fit verdict

8 roles where both tools are recommended. A higher relevance score means a better fit for that job.

ProfessionClaude Haiku 4.5 scoreGemini 3.8 Flash score
Medical Coder 7/10 7/10
Insurance Agent 7/10 7/10
Auditor 7/10 7/10
Tax Preparer 7/10 7/10
Legal Secretary 7/10 7/10
IT Support 7/10 7/10
Recruiter 7/10 7/10
Customer Service Manager 7/10 7/10

Frequently asked questions

Which is better, Claude Haiku 4.5 or Gemini 3.8 Flash?

It depends on the work. Claude Haiku 4.5 stands out for cheapest way to use Claude at scale. Gemini 3.8 Flash stands out for strong quality for a fast, low-cost model. Across 8 professions where both are rated, neither tool leads consistently.

How do Claude Haiku 4.5 and Gemini 3.8 Flash compare on price?

Claude Haiku 4.5 is priced by usage rather than by seat: API: $1 in / $5 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing. Gemini 3.8 Flash is priced by usage rather than by seat: API: $0.75 in / $3.75 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.

Is there a free option between Claude Haiku 4.5 and Gemini 3.8 Flash?

Neither lists a permanent free tier. Look for trials or usage-based pricing to test on real work first.

Read the full reviews