Openai
0.00%Context400K
Max output128K
p50 latency—
Throughput—
Input price$1.25
Output price$10
No trainingCaching
Model directory
Baseer model profileLanguage model
openai/gpt-5.1-thinking-fast
GPT 5.1 Thinking
An upgraded version of GPT-5 that adapts thinking time more precisely to the question to spend more time on complex questions and respond more quickly to simpler tasks.
Input / 1M tokens$1.25
Output / 1M tokens$10
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% | $1.25 | $10 |
What can this model do?
Available modalities and capabilities across inference providers.
TextImageFileAdvanced reasoningFile inputAutomatic cachingTool useVisionWeb searchFastTools
Reasoning options
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Technical profile
- Model type
- Language model
- Release date
- Nov 12, 2025
- Knowledge cutoff
- 2024-10
- Regions
- —
- API specifications
- V2, V3, V4
- Temperature control
- Supported
Model identifier
openai/gpt-5.1-thinking-fastModel profile updated: Sep 12, 2026, 1:46 PM
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