OpenAI

GPT 5.5 Long Context API Pricing / Price per 1M tokens

OpenAI • API Price Comparison

Also known as: gpt-5.5-long-context · gpt5.5longcontext · gpt5.5-long-context · gpt5.5 long context

Updated on · Published currencies / per 1M tokens; cheapest ranked by input

Official and cheapest channel API pricing
ChannelInput / 1MOutput / 1MCache read / 1MUpdated / verified on
OfficialNo official quote recorded
Azure OpenAILowest inputUSD 10USD 45USD 12026-10-16

— means the price or date is not recorded. Cross-currency ranking uses exchange rates.

📏 Context: 200,000 tokensAdded Aug 18, 2026

GPT 5.5 Long Context is a large language model by OpenAI with a 200K-token context window. Across the 1 API channels tracked here, input pricing ranges from $10.00 per 1M input tokens; the cheapest is Azure OpenAI at $10.00 per 1M input tokens. None of the tracked channels are directly reachable from mainland China without a proxy or VPN. It is also available through subscription plans such as ChatGPT Enterprise, ChatGPT Plus, ChatGPT Team, ChatGPT Business. Prices are collected daily from official provider pages and every tracked channel, then cross-checked by a data-accuracy audit.

💰 Cheapest Option
Azure OpenAI
$10.00/1M input
$45.00/1M output
🏢 Official Price
N/A
No official channel available
🇨🇳 Best in China
No China-friendly options

💳 Subscription Plans

Access gpt-5.5-long-context through these plans, grouped by product line.

💬 Chat subscriptions

8 plans

Monthly access to the assistant apps and their model line-up.

ChatGPT Enterprise
$0.00/month
🏢 Enterprise

Does the subscription allowance cover third-party models?: Unknown

⭐ Recommended
ChatGPT Plus
$20.00/month
👤 Individual

Does the subscription allowance cover third-party models?: Unknown

💰 Best Value
ChatGPT Team
$30.00/month
$300.00/year(Save 17%)
👥 Team

Does the subscription allowance cover third-party models?: Unknown

🇨🇳 Available in China
ChatGPT Business
$30.00/month
$300.00/year(Save 17%)
👥 Team

Does the subscription allowance cover third-party models?: Unknown

🇨🇳 Available in China
ChatGPT Pro 100
$100.00/month
👤 Individual

Does the subscription allowance cover third-party models?: Not included

ChatGPT Pro covers OpenAI models only; models from other providers are not offered or included.

Pro models, Codex, deep research, image creation, memory and file uploads
Ultrafast not included (buying credits on this tier does not unlock Ultrafast)
Credits available for eligible Codex / ChatGPT Work / Office add-in usage after included allowance
ChatGPT Pro $200 (Legacy, ends 2026-10-29)
$200.00/month
👤 Individual

Does the subscription allowance cover third-party models?: Not included

ChatGPT Pro covers OpenAI models only; models from other providers are not offered or included.

ChatGPT Pro 200
$200.00/month
👤 Individual

Does the subscription allowance cover third-party models?: Not included

ChatGPT Pro covers OpenAI models only; models from other providers are not offered or included.

Pro models, Codex, deep research, image creation, memory and file uploads
Ultrafast not included (buying credits on this tier does not unlock Ultrafast)
Credits available for eligible Codex / ChatGPT Work / Office add-in usage after included allowance
ChatGPT Pro 500
$500.00/month
👤 Individual

Does the subscription allowance cover third-party models?: Not included

ChatGPT Pro covers OpenAI models only; models from other providers are not offered or included.

Pro models, Codex, deep research, image creation, memory and file uploads
Astra Ultrafast / Sol Ultrafast included (Pro 500 only)
Credits available for eligible Codex / ChatGPT Work / Office add-in usage after included allowance
💡

Which plan is right for you?

Pro: Ideal for individual professionals with regular usage needs

Team: Perfect for teams needing collaboration and centralized billing

📊 Channel Price Comparison
Compare gpt-5.5-long-context API prices across all available channels • 1 channels available
ChannelTypeInput / 1MOutput / 1MRate LimitChinavs Official
Azure OpenAI💰 Best Price
云厂商$10.00$45.00---
📈 Price History
Every scraper-detected price change is recorded. Same-day multiple changes take the last value; unchanged channels carry the last observed price forward.
No price history yet. New price changes will appear after the next scraper run.
💵 Estimated Monthly Costs
Based on typical usage patterns (input:output = 2:1 ratio); all channels converted to USD for comparison
Usage LevelTokens/MonthAzure OpenAI
🐣 Light0.1M in + 0.1M out$3.25
📊 Medium1.0M in + 0.5M out$32.50
🚀 Heavy10.0M in + 5.0M out$325.00
🏢 Enterprise100.0M in + 50.0M out$3,250.00

Frequently asked questions about gpt-5.5-long-context

How much does the GPT 5.5 Long Context API cost?

The lowest input rate is USD 10 per 1M tokens; output on that channel is USD 45 per 1M tokens.

Which channel has the cheapest GPT 5.5 Long Context API?

Azure OpenAI has the lowest input rate: USD 10 per 1M tokens. Cross-currency ranking uses exchange rates; compare output and cache prices separately.

What is the GPT 5.5 Long Context cache-read price?

Azure OpenAI: USD 1 per 1M cache-read tokens.

When was GPT 5.5 Long Context pricing last updated?

Updated on 2026-10-16. This is the latest recorded price update or verification; see the table for individual channel dates.

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