Google Cloud vs AnthropicPrices verified 2026-10-17

Gemini 3.8 Flash vs Claude API: monthly cost

Monthly cost of Gemini structured output (Vertex AI / Agent Platform) and Anthropic Claude (tool use / structured outputs) side by side at 10k to 10M requests, from each vendor’s list price.

Estimate costCompare

Classification500 in · 5 out tokens

Requests / monthGemini 3.8 FlashClaude API
10k$3.94$0.53
100k$39.38$5.25
1M$394$52.50
10M$3,938$525

Formula: 1,000,000 requests × (500 in × $0.75 + 5 out × $3.75) ÷ 1,000,000

Chatbot turn1,000 in · 300 out tokens

Requests / monthGemini 3.8 FlashClaude API
10k$18.75$2.50
100k$188$25.00
1M$1,875$250
10M$18,750$2,500

Formula: 1,000,000 requests × (1,000 in × $0.75 + 300 out × $3.75) ÷ 1,000,000

Agent loop step4,000 in · 500 out tokens

Requests / monthGemini 3.8 FlashClaude API
10k$48.75$6.50
100k$488$65.00
1M$4,875$650
10M$48,750$6,500

Formula: 1,000,000 requests × (4,000 in × $0.75 + 500 out × $3.75) ÷ 1,000,000

Price notes

  • Gemini structured output (Vertex AI) · Gemini 3.8 Flash (introductory). Introductory price through 2026-12-31; standard $1.50 / $7.50 per 1M from 2027-01-01. The response schema counts toward input tokens.
  • Anthropic Claude (structured outputs) · Haiku 5.5. Price applies to prompts up to 100k tokens. US-only inference_geo costs 1.1x; Batch is 50% off. Structured outputs add an injected system prompt (slightly more input tokens).
  • List prices before free allowances and taxes. Presets are our assumptions, not vendor figures.

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Your usage

Showing 2 APIs from the link.

Cheapest: Anthropic Claude (structured outputs) (Haiku 5.5) $25.00/month

Monthly cost per API, cheapest first
API and planPer monthPrice dateDetails
Anthropic Claude (structured outputs)Haiku 5.5 · $0.1 in / $0.5 out per 1M tokens$25.002026-10-17
Gemini structured output (Vertex AI)Gemini 3.8 Flash (introductory) · $0.75 in / $3.75 out per 1M tokens$1882026-10-17
Anthropic Claude (structured outputs)Haiku 4.5 · $1 in / $5 out per 1M tokens$2502026-10-17
Anthropic Claude (structured outputs)Sonnet 5.5 · $2 in / $10 out per 1M tokens$5002026-10-17
Anthropic Claude (structured outputs)Opus 5.5 · $4 in / $20 out per 1M tokens$1,0002026-10-17

List prices before free allowances and taxes. Formula on hover (cost cell) or under Formula. Presets are our assumptions, not vendor figures.

FAQ

Is Gemini 3.8 Flash or Claude API cheaper?

Claude API is cheaper for chatbot-size requests: $250 vs $1,875 a month at 1M requests (prices verified 2026-10-17).

How are the prices compared?

Gemini 3.8 Flash: $0.75 in / $3.75 out per 1M tokens (Gemini 3.8 Flash (introductory)). Claude API: $0.1 in / $0.5 out per 1M tokens (Haiku 5.5). Same requests and token sizes for both, list prices before free allowances.

Does price decide which to use?

No. Check limits, status and fit on each API page and in the side-by-side compare tool before switching.

SourcesPricing pages

  1. 1Gemini structured output (Vertex AI) pricingcloud.google.com/vertex-ai/generative-ai/pricingVerified 2026-10-17
  2. 2Anthropic Claude (structured outputs) pricingdocs.anthropic.com/en/docs/about-claude/pricingVerified 2026-10-17