GPT-5.5 alternatives
Best GPT-5.5 alternatives
10 models that can stand in for GPT-5.5, ranked by benchmark score, with what each one does better.
Current Model
GPT-5.5
- Input / 1M
- $5
- Output / 1M
- $30
- Context
- 1.05M
- Intelligence
- 38.4
Quick picks
The best alternative depends on what you need
Why people switch away from GPT-5.5, and the model that fits each reason best.
Ranked
Top GPT-5.5 alternatives
Each model is scored against GPT-5.5. Green means better, red means worse.
| Model | Input / 1M | Output / 1M | Context | Intelligence | Compare |
|---|---|---|---|---|---|
GPT-5.5 OpenAI | Input / 1M$5 | Output / 1M$30 | Context1.05M | Intelligence38.4 | Reference model |
| Input / 1M$0.90-82% | Output / 1M$14-53% | Context1.05M0% | Intelligence43.6+14% | Compare | |
Why switch:2.1x cheaper outputHigher intelligence scoreAccepts videoNewer release | |||||
| Input / 1M$2-60% | Output / 1M$12-60% | Context1.05M | Intelligence42.1+10% | Compare | |
Why switch:2.5x cheaper outputHigher intelligence scoreNewer release | |||||
| Input / 1M$5 | Output / 1M$25-17% | Context1M-5% | Intelligence41.8+9% | Compare | |
Why switch:1.2x cheaper outputHigher intelligence scoreNewer release | |||||
| Input / 1M$0.75-85% | Output / 1M$3.75-87% | Context1.05M0% | Intelligence40.9+7% | Compare | |
Why switch:8x cheaper outputHigher intelligence scoreAccepts video and audioNewer release | |||||
| Input / 1M$5 | Output / 1M$25-17% | Context1M-5% | Intelligence40.7+6% | Compare | |
Why switch:1.2x cheaper outputHigher intelligence score | |||||
| Input / 1M$0.30-94% | Output / 1M$1.20-96% | Context1.05M0% | Intelligence39.5+3% | Compare | |
Why switch:25x cheaper outputHigher intelligence scoreNewer release | |||||
| Input / 1M$2.50-50% | Output / 1M$15-50% | Context1.05M | Intelligence39+2% | Compare | |
Why switch:2x cheaper outputHigher intelligence score | |||||
| Input / 1M$2-60% | Output / 1M$10-67% | Context1M-5% | Intelligence38.2-1% | Compare | |
Why switch:3x cheaper outputNewer release | |||||
| Input / 1M$0.20-96% | Output / 1M$1.20-96% | Context1.05M | Intelligence37.3-3% | Compare | |
Why switch:25x cheaper outputNewer release | |||||
| Input / 1M$1.75-65% | Output / 1M$14-53% | Context400K-62% | Intelligence32.5-15% | Compare | |
Why switch:2.1x cheaper output | |||||
FAQ
Frequently asked questions
What is the best alternative to GPT-5.5?
Kimi K3 from Moonshot AI ranks first, based on independent benchmark scores. It costs $14 per 1M output tokens, compared with $30 for GPT-5.5.
Is there a cheaper alternative to GPT-5.5?
Yes. DeepSeek V4.1 Flash charges $1.20 per 1M output tokens, versus $30 for GPT-5.5.
Can I try GPT-5.5 and its alternatives at the same time?
Yes. Shortcut Chat sends one prompt to several models at once, so you can compare GPT-5.5 with any of these alternatives on your own tasks.
Not sure which to pick? Try them all.
Send one prompt to GPT-5.5 and its alternatives at the same time, and keep the answer you like best.