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GPT-5.5Currently listed through these providers:
$10 off the fastest Kimi K3 and GLM 5.2 from Synthetic
Model details
GPT-5.4
The model overview is being prepared.
Impossiblopenai/gpt-5.4gpt
Quick Info
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- Impossibl
- Model key
- openai/gpt-5.4
- Release date
- Mar 5, 2026
- Last updated
- Mar 5, 2026
- Knowledge cutoff
- 2025-08-31
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $2.50
- Output token cost
- $15.00
Limits
- Input tokens
- 922,000 tokens
- Output tokens
- 128,000 tokens
- Context window
- 1,050,000 tokens
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