OpenAI: GPT-5.3-Codex
by OpenAI · Released 2026-02-24
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Context400K tokensMax output128.0K tokensReleased2026-02-24
What it can do
Real jobs this model can take on, based on what it can read and how it’s priced.
Read a 300-page contract and answer questions about it
400K-token context · accepts PDFs
Turn a screenshot of a design into working code
understands images
Run an agent that calls your own tools and replies in clean JSON
tool calling · structured output
Work through a hard problem step by step, not just answer it
step-by-step reasoning
Good for
- Very long documents — whole books or contract stacks in one request
- Mixed media — images and files and text together
- Tool calling and structured JSON, for building agents
Not for
- Generating images — it replies with text only
- Speaking its replies aloud — no audio output
- Fine-tuning on your own data — not supported
Also supports
Tool callingStructured JSONStep-by-step reasoningStreamingPrompt cachingFine-tuning
Where your request runs
You call one endpoint. Behind it, OpenDunes keeps every one of these live — if one degrades, the next takes the request without you changing a line.
| Provider | In /M | Out /M | Cache /M | Latency | TPS | Uptime |
|---|---|---|---|---|---|---|
| OpenAI | 567 DA | 4 536 DA | 56,70 DA | — | — | 99,8 % |
| Azure | 567 DA | 4 536 DA | 56,70 DA | — | — | 100,0 % |
| OpenAI | 1 134 DA | 9 072 DA | 113,40 DA | — | — | — |
Routed through the Bifrost gateway · prices in Algerian Dinars per 1M tokens · you’re charged the price of the endpoint that served your request.
What it costs
Everyday jobs, priced. Each request charges exactly what it uses — no subscription, no minimum.
Answer a quick question≈ 0,78 DA
Reply to a customer email≈ 1,98 DA
Read an invoice photo and pull out the total≈ 1,93 DA
Translate a full page of text≈ 2,44 DA
Write a one-page draft≈ 3,20 DA
Summarize a 10-page PDF≈ 7,26 DA
Analyze a 120-page contract≈ 45,36 DA
Top up points
3 000 DA ≈ 962 typical replies · the exact charge appears after every request, down to the centime.
Call it in code
OpenAI-compatible — point any OpenAI SDK at our base URL and keep your code. Copy the request, or run it right here on your wallet.
Sign in to run this request on your own wallet.
The same request, in your language
Parameters you can send
Standard OpenAI fields, grouped by what they control. Anything not listed is accepted and ignored.
Limits
The hard numbers — what it can take in, what it can give back, and where it stops.
- Context window
- 400K tokens
- Max output
- 128.0K tokens
- Longest reply
- ≈ 96.0K words
- Tokenizer
- GPT
- Released
- 2026-02-24
Questions about GPT-5.3-Codex
How much does GPT-5.3-Codex cost in Algerian Dinars?
567 DA for the text you send and 4 536 DA for the text it writes back. A typical exchange — a short question and a one-screen answer — costs about 3,12 DA. You pay for what you actually use: no subscription, no minimum.
How big is GPT-5.3-Codex's context window?
GPT-5.3-Codex reads up to 400K tokens in one request, and writes back up to roughly 96,000 words at once.
What can GPT-5.3-Codex handle?
It reads text, images and files and replies with text. It also supports calling your own tools, replying in structured JSON, step-by-step reasoning and streaming its answer as it writes.
Can I use GPT-5.3-Codex without an international bank card?
Yes. Top up your OpenDunes balance in dinars with a CIB or Edahabia card, then spend it on GPT-5.3-Codex or any other model in the catalog from that same balance. No foreign card, no currency conversion, no subscription.
Who makes GPT-5.3-Codex?
GPT-5.3-Codex is built by OpenAI, released on Feb 24, 2026. OpenDunes serves it unchanged — same model, same weights, billed in dinars.