⬡Inference Index

GPT-5.3 Codex (Beta)

openai-gpt-53-codex

Best price now
$0.820/ 1M in
via CheapTokens
Intelligence (AA)
53.6
source: Artificial Analysis
Speed
65 t/s
median output throughput
Coding
53.1
Artificial Analysis coding index
Providers
3
with listed pricing

Providers for GPT-5.3 Codex (Beta)

CheapTokensbest-63%
in $0.820
out $6.53
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OpenAI
in $1.75
out $14.00
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in $2.19
out $17.50
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Model facts

Model ID
openai-gpt-53-codex
Tier
Frontier
Context window
400K
Privacy
Venice — no data retention
Notes
Beta model

Cite: GPT-5.3 Codex (Beta)

Citation
GPT-5.3 Codex (Beta) — Inference Index, 2026-04-16. Retrieved from https://inferenceindex.ai/models/openai-gpt-53-codex
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