OpenAI Unveils Lightning-Fast AI Model with Separate Rate Limits, Doubling Efficiency!
product#llm🏛️ Official|Analyzed: Feb 13, 2026 09:30•
Published: Feb 13, 2026 09:00
•1 min read
•Zenn OpenAIAnalysis
OpenAI's latest offering, GPT-5.3-Codex-Spark, promises a dramatic speed increase with a remarkable 1000 tokens/second! Even more exciting is the 'separate usage limit,' effectively doubling the capacity for users by allowing concurrent usage with the existing GPT-5.3-Codex model.
Key Takeaways
- •GPT-5.3-Codex-Spark boasts a blazing speed of 1000 tokens per second.
- •The 'separate usage limit' enables concurrent use alongside GPT-5.3-Codex, doubling potential output.
- •Currently, Spark is available exclusively to ChatGPT Pro users.
Reference / Citation
View Original"Spark is GPT-5.3-Codex with a completely separate rate limit. Even if you use up 5.3, Spark can still be used because it's a separate count."