Compare models, calculate token costs
Search 370 LLM routes by benchmark, context window, input and output price. Then estimate your monthly API budget before your prototype becomes production traffic.
Quick Cost EstimateFull calculator
INPUT / 1M
$2.50 / 1M
OUTPUT / 1M
$10.00 / 1M
Selected model
GPT-4o
Estimated monthly cost
Demo$550.00
Input cost
$250.00
Output cost
$300.00
Per request
$0.005500
Per 1K requests
$5.50
Unofficial estimate. Check the provider's current pricing before production.
LLM table
Featured models
Sort notable models by benchmark score, token price, or context window.
| # | Model | Benchmark | Votes | Context | Input | Output |
|---|---|---|---|---|---|---|
| 01 | Anthropic: Claude Opus 4.7 Claude APIAnthropic | 1,503 LMArena Text Arena | 8,945 | 1m | $5.00 / 1M | $25.00 / 1M |
| 02 | Anthropic: Claude Opus 4.6 OpenRouterAnthropic | 1,502 LMArena Text Arena | 23,616 | 1m | $5.00 / 1M | $25.00 / 1M |
| 03 | Google: Gemini 3.1 Pro Preview OpenRouterGoogle | 1,492 LMArena Text Arena | 29,468 | 1.0m | $2.00 / 1M | $12.00 / 1M |
| 04 | OpenAI: GPT-5.5 OpenRouterOpenAI | 1,484 LMArena Text Arena | 6,488 | 1.1m | $5.00 / 1M | $30.00 / 1M |
| 05 | xAI: Grok 4.20 OpenRouterxAI | 1,480 LMArena Text Arena | 18,791 | 2m | $1.25 / 1M | $2.50 / 1M |
| 06 | OpenAI: GPT-5.2 Chat OpenRouterOpenAI | 1,477 LMArena Text Arena | 23,717 | 128k | $1.75 / 1M | $14.00 / 1M |
| 07 | OpenAI: GPT-5.4 OpenRouterOpenAI | 1,477 LMArena Text Arena | 17,146 | 1.1m | $2.50 / 1M | $15.00 / 1M |
| 08 | xAI: Grok 4.20 Multi-Agent OpenRouterxAI | 1,474 LMArena Text Arena | 17,728 | 2m | $2.00 / 1M | $6.00 / 1M |
| 09 | Google: Gemini 3 Flash Preview OpenRouterGoogle | 1,474 LMArena Text Arena | 30,784 | 1.0m | $0.5000 / 1M | $3.00 / 1M |
| 10 | Anthropic: Claude Opus 4.5 OpenRouterAnthropic | 1,473 LMArena Text Arena | 37,168 | 200k | $5.00 / 1M | $25.00 / 1M |
| 11 | Z.ai: GLM 5.1 OpenRouterOther | 1,471 LMArena Text Arena | 11,349 | 202.8k | $0.9800 / 1M | $3.08 / 1M |
| 12 | xAI: Grok 4.1 Fast OpenRouterxAI | 1,467 LMArena Text Arena | 55,257 | 2m | $0.2000 / 1M | $0.5000 / 1M |
| 13 | Anthropic: Claude Sonnet 4.6 Claude APIAnthropic | 1,466 LMArena Text Arena | 17,127 | 1m | $3.00 / 1M | $15.00 / 1M |
| 14 | Xiaomi: MiMo-V2.5-Pro OpenRouterOther | 1,464 LMArena Text Arena | 6,238 | 1.0m | $1.00 / 1M | $3.00 / 1M |
| 15 | Qwen: Qwen3.5 397B A17B OpenRouterQwen | 1,464 LMArena Text Arena | 14,558 | 262.1k | $0.3900 / 1M | $2.34 / 1M |
LMArena scores are not cost rankings — choose models for your workload. · Last checked: 2026-05-14 · Prices are estimates. Methodology →
