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GPT-5.5Currently listed through these providers:
$10 off the fastest DeepSeek V4.1 Flash, Kimi K3.1 Pro and GLM 5.3-Flash from Synthetic
Model details
OpenAI: GPT 5.5 (Fast) ($$$$)
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Kilo Gatewayopenai/gpt-5.5-fastgpt
Quick Info
Powered by- Provider
- Kilo Gateway
- Model key
- openai/gpt-5.5-fast
- Release date
- Apr 23, 2026
- Last updated
- Apr 23, 2026
- Knowledge cutoff
- 2025-12-01
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $12.50
- Output token cost
- $75.00
Limits
- Output tokens
- 128,000 tokens
- Context window
- 1,000,000 tokens
Transparent token rates
Compare OpenAI: GPT 5.5 (Fast) ($$$$) pricing
Rates are shown per one million tokens. Combined means one million input plus one million output tokens.
Latest news about OpenAI: GPT 5.5 (Fast) ($$$$)
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