Model comparison

Qwen 3 Coder Plus vs GPT-5.3 Codex

Compare Qwen 3 Coder Plus (Qwen) and GPT-5.3 Codex (OpenAI) on price and context — both behind one OpenAI-compatible API on Zylo, billed at base per-token rates.

Last updated June 5, 2026

Price & specs

Per 1M tokens, base rates from your credit balance — no usage markup. Prices load live from our catalogue.

ModelProviderContextInput / 1MOutput / 1M
Qwen 3 Coder PlusQwen1M$0.65$3.25
GPT-5.3 CodexOpenAI400K$1.75$14.00

When to pick each

Qwen 3 Coder Plus

Best for code generation, refactors and repo-level reasoning. Context up to 1M tokens. Qwen 3 Coder Plus details →

GPT-5.3 Codex

Best for code generation, refactors and repo-level reasoning. Context up to 400K tokens. GPT-5.3 Codex details →

Test both with one change

Because Zylo is OpenAI-compatible, comparing them is a one-string change.

Python
for model in ["qwen3-coder-plus", "gpt-5.3-codex"]:
    r = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "Summarize this in one line."}],
    )
    print(model, "->", r.choices[0].message.content)

Frequently asked questions

Is Qwen 3 Coder Plus or GPT-5.3 Codex cheaper?

On Zylo, Qwen 3 Coder Plus is $0.65/1M input and $3.25/1M output; GPT-5.3 Codex is $1.75/1M input and $14.00/1M output. Both are base rates with no usage markup.

Can I switch between Qwen 3 Coder Plus and GPT-5.3 Codex?

Yes. Both are on Zylo's OpenAI-compatible API, so you switch by changing the model id between qwen3-coder-plus and gpt-5.3-codex.

Call Qwen 3 Coder Plus and GPT-5.3 Codex on one key

Free API key, OpenAI-compatible, local payments.

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