API PRICING COMPARISON โ€ข OPENAI VS GOOGLE488K vs 977K Context

OpenAI GPT-5.6 Sol vs. Google Gemini 3.5 Flash-Lite

Comparing token pricing, prompt caching rates, 50% batch discounts, and monthly enterprise economics between OpenAI GPT-5.6 Sol and Google Gemini 3.5 Flash-Lite.

HEAD-TO-HEAD UNIT COST BENCHMARK

Direct Pricing Breakdown: OpenAI GPT-5.6 Sol vs. Google Gemini 3.5 Flash-Lite

โœ“ Google Gemini 3.5 Flash-Lite is 89% Cheaper
Cost DimensionOpenAI GPT-5.6 Sol (OpenAI)Google Gemini 3.5 Flash-Lite (Google)Comparison Advantage
Input Tokens / 1M$4.00$0.30-93% with Google Gemini 3.5 Flash-Lite
Output Tokens / 1M$20.00$2.50-88% with Google Gemini 3.5 Flash-Lite
Cached Prompt Read / 1M$0.400$0.03090% cache savings on Google Gemini 3.5 Flash-Lite
Batch 50% Off-Peak Rate$2.00 in / $10.00 out$0.15 in / $1.25 outBoth models support 50% batch discount
Context Window Limit488K tokens977K tokensGoogle Gemini 3.5 Flash-Lite has +488K higher limit
Est. Production Cost (2.5K req/day)$1,860/mo$199.5/moSave $1,660.5/mo with Google Gemini 3.5 Flash-Lite

Monthly Workload

tokens
Claude (90% off), OpenAI (50% off), Gemini (75% off), DeepSeek (90% off).
Thinking / Reasoning Multipliero3 / R1
RANKED BY MONTHLY TOTAL

Monthly API Cost Comparison (75K req/mo)

ModelProviderInput / 1MOutput / 1MCache SavedMonthly API CostSelf-Host Alt
Claude Haiku 5.5Anthropic$0.055$0.5-$13.5$46.5/mophi-4-mini-4b โ†’
OpenAI GPT-5.6 LunaOpenAI$0.11$1.2-$27$105/mollama-3-1-8b โ†’
DeepSeek V4.1 Flash APIDeepSeek$0.165$1.2-$40.5$121.5/modeepseek-v4-1-flash โ†’
Google Gemini 3.5 Flash-LiteVS PAIRGoogle$0.165$2.5-$40.5$199.5/mogemma-4-e4b โ†’
Google Gemini 3.8 FlashGoogle$0.412$3.75-$101.25$348.75/mogemma-4-26b-moe โ†’
DeepSeek V4 Pro APIDeepSeek$0.73$3.96-$177$456.6/modeepseek-r1-distill-32b โ†’
xAI Grok 4.7xAI$1.25$6-$225$735/mollama-4-scout-109b โ†’
Claude Sonnet 5.5Anthropic$1.05$10-$285$915/moqwen-3-8-27b โ†’
Google Gemini 4 ArgonGoogle$1.075$10-$277.5$922.5/modeepseek-v4-1-flash โ†’
OpenAI GPT-5.6 TerraOpenAI$1.1$12-$270$1,050/moqwen-3-6-35b-a3b โ†’
Claude Opus 5.5Anthropic$2.1$20-$570$1,830/modeepseek-v4-1-flash โ†’
OpenAI GPT-5.6 SolOpenAI$2.2$20-$540$1,860/mollama-3-3-70b โ†’
Claude Fable 5.1 (Deep Reasoning)Anthropic$5.125$50-$1,462.5$4,537.5/mometa-muse-spark-open โ†’
OpenAI GPT-6 AstraOpenAI$5.5$50-$1,350$4,650/mometa-muse-spark-open โ†’

Inference Optimization Stack

Tools to reduce API costs and manage self-hosted LLM endpoints
Smart LLM Router

OpenRouter Unified API

Route simple prompts to DeepSeek V4.1 ($0.30/1M) & hard prompts to Claude 5.5 automatically โ€” cut API spend by 42%.

Self-Hosted AI Automation

n8n AI Agent Workflows

Connect local Ollama models or Claude/OpenAI APIs to 400+ apps with built-in prompt caching & memory.

Token Cost & Cache Monitor

Helicone LLM Observability

1-line proxy header to track exact token costs per user, enable edge caching, and prevent runaway reasoning bills.