Openai
0.00%Context400K
Max output128K
p50 latency—
Throughput—
Input price$1.75
Output price$14
No trainingCaching
Model directory
Baseer model profileLanguage model
openai/gpt-5.3-codex-fast
GPT 5.3 Codex
GPT-5.3-Codex advances both the frontier coding performance of GPT‑5.2-Codex and the reasoning and professional knowledge capabilities of GPT‑5.2, together in one model, which is also 25% faster. This enables it to take on long-running tasks that involve research, tool use, and complex execution.
Input / 1M tokens$1.75
Output / 1M tokens$14
Maximum context400K
Inference providers1
Price comparison
USD per one million tokens, using current provider data.
Provider uptime
Reported availability over the last 24 hours; not a contractual SLA.
Inference providers
Compare current pricing, performance, and privacy across every available provider.
| Provider | Maximum context | Max output | p50 latency | p50 throughput | 24h uptime | Input / 1M tokens | Output / 1M tokens | Privacy |
|---|---|---|---|---|---|---|---|---|
Openai | 400K | 128K | — | — | 0.000% | $1.75 | $14 |
What can this model do?
Available modalities and capabilities across inference providers.
TextImageFileAdvanced reasoningFile inputAutomatic cachingTool useVisionWeb searchRealtime connectionFastTools
Reasoning options
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Technical profile
- Model type
- Language model
- Release date
- Feb 5, 2026
- Knowledge cutoff
- 2025-08-31
- Regions
- —
- API specifications
- V2, V3, V4
- Temperature control
- Supported
Model identifier
openai/gpt-5.3-codex-fastModel profile updated: Sep 12, 2026, 1:46 PM
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