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OpenAI: GPT-4 API Pricing

OpenAI: GPT-4 is an API model from openai. It costs $30 per 1M input tokens and $60 per 1M output tokens. Its context window is 8,191 tokens with up to 4,096 output tokens. A workload of 10M input + 2M output tokens costs about $420 per month. The official openai list price is $30 input / $60 output per 1M tokens, which matches the catalog price tracked here.
Input
$30
per 1M tokens
Output
$60
per 1M tokens
Cached input
—
per 1M tokens
Context window
8K
8,191 tokens
Blended (80/20)
$36
per 1M tokens

OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...

How much does OpenAI: GPT-4 cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-4 costs about $420 ($300 input + $120 output). Try your own volumes in the cost calculator.

What is the official OpenAI: GPT-4 price?

Official (openai)Catalog (OpenRouter)
Input /1M$30$30
Output /1M$60$60
Cached input /1M——

✓ Matches the official list price. Source: openai official pricing page, checked 2026-10-21.

What are cheaper alternatives to OpenAI: GPT-4?

Compare OpenAI: GPT-4 with other models

OpenAI: GPT-4 vs OpenAI: gpt-oss-20bOpenAI: GPT-4 vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-4 vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-4 vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-4 vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-4 vs OpenAI: GPT-6 Luna Pro (batch)

Frequently asked questions

How much does OpenAI: GPT-4 cost?

OpenAI: GPT-4 costs $30 per 1M input tokens and $60 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $420.

What is the context window of OpenAI: GPT-4?

OpenAI: GPT-4 has a context window of 8,191 tokens and can return up to 4,096 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-4?

Cheaper models include OpenAI: o1 ($15 in / $60 out), OpenAI: GPT-5 Pro (batch) ($7.5 in / $60 out), OpenAI: GPT Astra Latest ($10 in / $50 out). See the full list on this page.

Is OpenAI: GPT-4 free to use?

No. OpenAI: GPT-4 is a paid model at $30 input / $60 output per 1M tokens. 20 free models are listed on the free models page.

What is the official price of OpenAI: GPT-4?

On openai's official pricing page (checked 2026-10-21), OpenAI: GPT-4 is listed at $30 per 1M input tokens and $60 per 1M output tokens. The catalog price tracked on this page matches it exactly.

Provider: openai · Model ID: openai/gpt-4 · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices