OpenAI: GPT-4 Turbo

OpenAI

OpenAI: GPT-4 Turbo by OpenAI costs $10.00 per 1M input tokens and $30.00 per 1M output tokens, with a 128K-token context window.

Pricing

Input (per 1M tokens)

$10.00

Output (per 1M tokens)

$30.00

Cached input (per 1M)

—

Provider	Input / 1M	Output / 1M
openrouter	$10.00	$30.00
OpenAI	$10.00	$30.00

Specifications

Provider: OpenAI
Context window: 128K tokens
Parameters: —
Released: Nov 2023
Open weights: No
Frontier model: No

Benchmarks

Epoch Capabilities Index: 127.3
GPQA Diamond: 46.6
LMArena (Chatbot Arena) Elo: 1271.6
LMArena Vision Elo: 1089.8

Speed & latency

Time to first token

1.13s

Output speed

40 tok/s

Fastest host: openai (via vercel-ai-gateway).

Compare OpenAI: GPT-4 Turbo with…

OpenAI: GPT-4 Turbo vs OpenAI: GPT-5.6 Sol Pro$10.00/1M OpenAI: GPT-4 Turbo vs OpenAI: GPT-6.1 Sol Pro$10.00/1M OpenAI: GPT-4 Turbo vs OpenAI: GPT-6.1 Sol Pro (batch)$5.00/1M OpenAI: GPT-4 Turbo vs OpenAI: GPT-6.1 Sol$10.00/1M OpenAI: GPT-4 Turbo vs OpenAI: GPT-6.1 Sol (batch)$5.00/1M OpenAI: GPT-4 Turbo vs OpenAI: GPT-6 Luna Pro$0.50/1M

FAQ

How much does OpenAI: GPT-4 Turbo cost?

OpenAI: GPT-4 Turbo is priced at $10.00 per 1M input tokens and $30.00 per 1M output tokens. Output tokens cost more than input.

What is OpenAI: GPT-4 Turbo's context window?

OpenAI: GPT-4 Turbo supports a context window of 128K tokens — the maximum prompt plus response length it can handle in a single request.

Is OpenAI: GPT-4 Turbo open weight?

No — OpenAI: GPT-4 Turbo is a closed/proprietary model accessed via API.

Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.