GPT-5.3 Codex pricing.
Prices checked
GPT-5.3 Codex costs $1.75 in and $14 out per million tokens from OpenAI; the cheapest price is $4.38 at Poe, checked .
OpenAI's own price
OpenAI
$1.75 in · $14 out
446% above the typical price of the 392 text models we track.
Cheapest price
Poe
$1.59 in · $12.73 out
9% less than OpenAI, and the provider says why.
Web search from this model costs $10 per 1,000 searches, plus its tokens; dedicated search APIs from $1
Every provider selling GPT-5.3 Codex
- 1Costs more
$2 in · $8 out
$3.50/M tokens - 2
$1.59 in · $12.73 out
$4.38/M tokens - 3
$1.66 in · $13.30 out
$4.57/M tokens - 4
$1.75 in · $14 out
$4.81/M tokens - 5
$1.75 in · $14 out
$4.81/M tokens - 6

Vivgrid
Same as maker$1.75 in · $14 out
$4.81/M tokens - 7
$1.75 in · $14 out
$4.81/M tokens - 8
$1.75 in · $14 out
$4.81/M tokens - 9
$1.75 in · $14 out
$4.81/M tokens - 10

FrogBot
Same as maker$1.75 in · $14 out
$4.81/M tokens - 11
$1.75 in · $14 out
$4.81/M tokens - 12
$1.75 in · $14 out
$4.81/M tokens - 13
$1.75 in · $14 out
$4.81/M tokens - 14
$1.75 in · $14 out
$4.81/M tokens - 15Same as maker
$1.75 in · $14 out
$4.81/M tokens - 16
$1.75 in · $14 out
$4.81/M tokens - 17
$1.75 in · $14 out
$4.81/M tokens - 18

GitHub Copilot
Same as maker$1.75 in · $14 out
$4.81/M tokens - 19
$1.75 in · $14 out
$4.81/M tokens - 20
$1.75 in · $14 out
$4.81/M tokens - 21
FreeModel
Same as maker$1.75 in · $14 out
$4.81/M tokens - 22
$1.75 in · $14 out
$4.81/M tokens - 23
$1.75 in · $14 out
$4.81/M tokens - 24
$1.75 in · $14 out
$4.81/M tokens - 25
$1.75 in · $14 out
$4.81/M tokens
- 26
$1.75 in · $14 out
$4.81/M tokens - 27
$1.75 in · $14 out
$4.81/M tokens - 28
$1.75 in · $14 out
$4.81/M tokens - 29
$1.75 in · $14 out
$4.81/M tokens - 30
$1.75 in · $14 out
$4.81/M tokens - 31
$3.50 in · $28 out
$9.63/M tokens - 32Costs more
$3.70 in · $29.62 out
$10.18/M tokens
What it costs for your work
A month at OpenAI's own price
A month at Poe, the cheapest
What you save
A page is about 600 tokens in and 60 out, a support reply 200 in and 300 out, an email 150 in and 250 out. Nothing else is counted: no cache discount, no batch rate, no free tier.
How we count
Prices are per million tokens. The big number on each row is blended 3 in : 1 out, the way most work uses a model. A price below OpenAI's own is listed as cheapest only when the provider says why.
- Costs more
- Sold by someone else for more than the maker charges.
- Resells
- The provider sells another company's endpoint, at a margin of its own or at the maker's price.
- Same as maker
- Sold by someone else at the price the maker charges.
- Maker's price
- What the lab that trained the model charges on its own API. Every other row is measured against it.
Similar models
Models from other labs that do what GPT-5.3 Codex does, cheapest first. Each percentage is against GPT-5.3 Codex's cheapest price, $3.50 per M tokens.
Frequently asked
- Who sells GPT-5.3 Codex cheapest?
- Poe, at $1.59 in and $12.73 out per million tokens, checked 31 Oct 2026. The provider sells another company's endpoint, at a margin of its own or at the maker's price.
- Is GPT-5.3 Codex open weights?
- No. OpenAI keeps the weights, so every price on this page is OpenAI's own or a resale of it. A price below OpenAI's here needs a published reason, or it is listed and not ranked.
- How much context does GPT-5.3 Codex hold?
- 400,000 tokens in one call, which is about 400k, and it can call your own functions.
- How does GPT-5.3 Codex compare with the rest of the market?
- At $4.81 per million tokens, OpenAI's own price is 446% above the typical $0.88 across the 392 text models we track.
More from OpenAI