GPT 5.5

GPT-5.5 delivers stronger reasoning, faster code generation, more reliable AI agent workflows, and improved multimodal understanding, with long-context support up to 1M tokens.

Model & Parameters
High

Automatically append previous messages to maintain multi-turn context. May increase token usage.

System messages provide context and instructions that guide the AI's behavior throughout the conversation

0.7

Controls randomness: 0 = focused, 2 = creative

1050000

Maximum response length

128000

Maximum completion tokens (takes precedence over max_tokens)

1

Nucleus sampling: 0.1 = focused, 1.0 = diverse

0

Penalizes frequent tokens: -2.0 to 2.0

0

Penalizes repeated tokens: -2.0 to 2.0

Display AI reasoning processes when available

Model:

No messages yet. Start the conversation!

Supports: JPG, PNG, GIF, WebP • Max 5MB per image • Up to 5 images

GPT

Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.5, Chat, Input
chatOpenAI
672
per million tokens
$3$5- 40%
gpt-5.5, Chat, Output
chatOpenAI
4032
per million tokens
$18$30- 40%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.4, Chat, Input
chatOpenAI
336
per million tokens
$1.5$2.5- 40%
gpt-5.4, Chat, Output
chatOpenAI
2016
per million tokens
$9$15- 40%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.5, Chat, Input
chatOpenAI
840
per million tokens
$3.75$5- 25%
gpt-5.5, Chat, Output
chatOpenAI
5040
per million tokens
$22.5$30- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.4, Chat, Input
chatOpenAI
420
per million tokens
$1.875$2.5- 25%
gpt-5.4, Chat, Output
chatOpenAI
2520
per million tokens
$11.25$15- 25%
gpt-5.4-mini, Chat, Input
chatOpenAI
126
per million tokens
$0.5625$0.75- 25%
gpt-5.4-mini, Chat, Output
chatOpenAI
756
per million tokens
$3.375$4.5- 25%
gpt-5.4-nano, Chat, Input
chatOpenAI
33.6
per million tokens
$0.15$0.2- 25%
gpt-5.4-nano, Chat, Output
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5.4-pro, Chat, Input
chatOpenAI
5040
per million tokens
$22.5$30- 25%
gpt-5.4-pro, Chat, Output
chatOpenAI
30240
per million tokens
$135$180- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.3-chat, Chat, Input
chatOpenAI
294
per million tokens
$1.3125$1.75- 25%
gpt-5.3-chat, Chat, Output
chatOpenAI
2352
per million tokens
$10.5$14- 25%
gpt-5.3-codex, Chat, Input
chatOpenAI
294
per million tokens
$1.3125$1.75- 25%
gpt-5.3-codex, Chat, Output
chatOpenAI
2352
per million tokens
$10.5$14- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.2, Chat, Input
chatOpenAI
294
per million tokens
$1.3125$1.75- 25%
gpt-5.2, Chat, Output
chatOpenAI
2352
per million tokens
$10.5$14- 25%
gpt-5.2-chat, Chat, Input
chatOpenAI
294
per million tokens
$1.3125$1.75- 25%
gpt-5.2-chat, Chat, Output
chatOpenAI
2352
per million tokens
$10.5$14- 25%
gpt-5.2-codex, Chat, Input
chatOpenAI
294
per million tokens
$1.3125$1.75- 25%
gpt-5.2-codex, Chat, Output
chatOpenAI
2352
per million tokens
$10.5$14- 25%
gpt-5.2-pro, Chat, Input
chatOpenAI
3528
per million tokens
$15.75$21- 25%
gpt-5.2-pro, Chat, Output
chatOpenAI
28224
per million tokens
$126$168- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5.1, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5.1, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5.1-codex, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5.1-codex, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5.1-codex-max, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5.1-codex-max, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5.1-codex-mini, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5.1-codex-mini, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-5, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5-chat-latest, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5-chat-latest, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5-codex, Chat, Input
chatOpenAI
210
per million tokens
$0.9375$1.25- 25%
gpt-5-codex, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-5-nano, Chat, Input
chatOpenAI
8.4
per million tokens
$0.0375$0.05- 25%
gpt-5-nano, Chat, Output
chatOpenAI
67.2
per million tokens
$0.3$0.4- 25%
gpt-5-mini, Chat, Input
chatOpenAI
42
per million tokens
$0.1875$0.25- 25%
gpt-5-mini, Chat, Output
chatOpenAI
336
per million tokens
$1.5$2- 25%
gpt-5-pro, Chat, Input
chatOpenAI
2520
per million tokens
$11.25$15- 25%
gpt-5-pro, Chat, Output
chatOpenAI
20160
per million tokens
$90$120- 25%
Model & Modality
Credits / Gen
Our Price (USD)Official Price (USD)
DISCOUNT
gpt-4o, Chat, Input
chatOpenAI
420
per million tokens
$1.875$2.5- 25%
gpt-4o, Chat, Output
chatOpenAI
1680
per million tokens
$7.5$10- 25%
gpt-4o-mini, Chat, Input
chatOpenAI
25.2
per million tokens
$0.1125$0.15- 25%
gpt-4o-mini, Chat, Output
chatOpenAI
100.8
per million tokens
$0.45$0.6- 25%
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