API PRICING COMPARISON โข OPENAI VS XAI125K vs 128K Context
OpenAI GPT-4o vs. xAI Grok 2
Comparing token pricing, prompt caching rates, 50% batch discounts, and monthly enterprise economics between OpenAI GPT-4o and xAI Grok 2.
HEAD-TO-HEAD UNIT COST BENCHMARK
Direct Pricing Breakdown: OpenAI GPT-4o vs. xAI Grok 2
โ xAI Grok 2 is 16% Cheaper
| Cost Dimension | OpenAI GPT-4o (OpenAI) | xAI Grok 2 (xAI) | Comparison Advantage |
|---|---|---|---|
| Input Tokens / 1M | $2.50 | $2.00 | -20% with xAI Grok 2 |
| Output Tokens / 1M | $10.00 | $10.00 | Identical rate |
| Cached Prompt Read / 1M | $1.250 | $0.500 | 75% cache savings on xAI Grok 2 |
| Batch 50% Off-Peak Rate | $1.25 in / $5.00 out | $1.00 in / $5.00 out | Both models support 50% batch discount |
| Context Window Limit | 125K tokens | 128K tokens | xAI Grok 2 has +3K higher limit |
| Est. Production Cost (2.5K req/day) | $1,162.5/mo | $975/mo | Save $187.5/mo with xAI Grok 2 |
| Model | Provider | Input / 1M | Output / 1M | Cache Saved | Monthly API Cost | Self-Host Alt |
|---|---|---|---|---|---|---|
| Google Gemini 2.0 Flash-Lite | $0.047 | $0.3 | -$8.44 | $32.06/mo | gemma-2-9b โ | |
| DeepSeek-V3 API | DeepSeek | $0.077 | $0.28 | -$18.9 | $39.9/mo | deepseek-v3 โ |
| Google Gemini 2.0 Flash | $0.063 | $0.4 | -$11.25 | $42.75/mo | gemma-2-27b โ | |
| OpenAI GPT-4o mini | OpenAI | $0.112 | $0.6 | -$11.25 | $69.75/mo | llama-3-1-8b โ |
| DeepSeek-R1 API | DeepSeek | $0.345 | $2.19 | -$61.5 | $234.9/mo | deepseek-r1 โ |
| Claude 3.5 Haiku | Anthropic | $0.44 | $4 | -$108 | $372/mo | llama-3-1-8b โ |
| OpenAI o3-mini | OpenAI | $0.825 | $4.4 | -$82.5 | $511.5/mo | deepseek-r1-distill-32b โ |
| Google Gemini 1.5 Pro | $0.781 | $5 | -$140.62 | $534.38/mo | llama-3-1-405b โ | |
| Mistral Large 2 API | Mistral AI | $1 | $6 | -$300 | $660/mo | mistral-large-2-123b โ |
| xAI Grok 2VS PAIR | xAI | $1.25 | $10 | -$225 | $975/mo | llama-3-3-70b โ |
| OpenAI GPT-4o | OpenAI | $1.875 | $10 | -$187.5 | $1,162.5/mo | llama-3-3-70b โ |
| Claude 3.5 Sonnet | Anthropic | $1.65 | $15 | -$405 | $1,395/mo | qwen-2-5-coder-32b โ |
| Claude 3 Opus | Anthropic | $8.25 | $75 | -$2,025 | $6,975/mo | deepseek-r1 โ |
| OpenAI o1 | OpenAI | $11.25 | $60 | -$1,125 | $6,975/mo | deepseek-r1 โ |
Inference Optimization Stack
Tools to reduce API costs and manage self-hosted LLM endpointsSmart 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.