Cheaper alternatives to GPT-4o
GPT-4o scores 1355 on the overall Arena and costs about $875.00/month at 100,000 calls (1,500 in / 500 out). Here are models that match or beat it on quality for less.
| GPT OSS 120B | 1366 | $11.80 | $863.20/mo | OpenAI |
| Qwen3.5 Flash | 1398 | $18.70 | $856.30/mo | Alibaba |
| Gemma 3 27B IT | 1358 | $20.00 | $855.00/mo | |
| GLM-5.3-Flash | 1472 | $23.75 | $851.25/mo | Z.ai (Zhipu AI) |
| Qwen3.8 27B | 1439 | $29.50 | $845.50/mo | Alibaba |
| Step 3.5 Flash | 1404 | $30.00 | $845.00/mo | StepFun |
| MiMo-V2.5 | 1427 | $35.00 | $840.00/mo | Xiaomi |
| MiMo-V2-Flash | 1394 | $35.00 | $840.00/mo | Xiaomi |
| MiMo-V2-Omni | 1422 | $35.00 | $840.00/mo | Xiaomi |
| DeepSeek V4 Flash | 1424 | $52.50 | $822.50/mo | DeepSeek |
| gpt-oss-120b (Bedrock) | 1366 | $52.50 | $822.50/mo | AWS Bedrock |
| Google Gemma 3 27B Instruct (Bedrock) | 1358 | $53.50 | $821.50/mo | AWS Bedrock |
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 18 September 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
FAQ
Is there a cheaper model as good as GPT-4o?
Yes. GPT OSS 120B matches or beats GPT-4o on the overall Arena leaderboard and costs about $11.80/month versus $875.00/month at a typical volume of 100,000 calls — saving roughly $863.20/month.
How is 'as good' defined?
We only list models with an overall Arena score at or above GPT-4o's (1355). Arena scores are community preference ratings, not a single benchmark — confirm the alternative on your own task before switching.
Cite / link to this page
You’re welcome to reference this page and its figures with attribution and a link back.
https://aicalculatorpro.com/alternatives/gpt-4o/<a href="https://aicalculatorpro.com/alternatives/gpt-4o/">Cheaper alternatives to GPT-4o — AI Calculator Pro</a>