GPT-5.1-Codex alternatives

Best GPT-5.1-Codex alternatives

10 models that can stand in for GPT-5.1-Codex, ranked by benchmark score, with what each one does better.

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Current Model

GPT-5.1-Codex

Input / 1M
$1.25
Output / 1M
$10
Context
400K
Intelligence
23.7

Quick picks

The best alternative depends on what you need

Why people switch away from GPT-5.1-Codex, and the model that fits each reason best.

Ranked

Top GPT-5.1-Codex alternatives

Each model is scored against GPT-5.1-Codex. Green means better, red means worse.

GPT-5.1-Codex as the baseline, then the top alternatives scored against it
Input / 1M$1.25Output / 1M$10Context400KIntelligence23.7Reference model
1openai logo
GPT-5.2

OpenAI

Input / 1M$1.75+40%Output / 1M$14+40%Context400KIntelligence30.4+28%Compare
Why switch:Higher intelligence scoreAccepts fileNewer release
Input / 1M$1.75+40%Output / 1M$14+40%Context400KIntelligence28.5+20%Compare
Why switch:Higher intelligence scoreNewer release
Input / 1M$0.50-60%Output / 1M$3-70%Context1.05M+162%Intelligence26.3+11%Compare
Why switch:3.3x cheaper outputHigher intelligence scoreLarger 1.05M contextAccepts file and audio and videoNewer release
4openai logo
GPT-5.1

OpenAI

Input / 1M$1.25Output / 1M$10Context400KIntelligence24.7+4%Compare
Why switch:Higher intelligence scoreAccepts fileNewer release
Input / 1M$0.01-99%Output / 1M$1.28-87%Context1.05M+162%Intelligence24.4+3%Compare
Why switch:7.8x cheaper outputHigher intelligence scoreLarger 1.05M contextNewer release
Input / 1M$0.75-40%Output / 1M$4.50-55%Context400KIntelligence24.1+2%Compare
Why switch:2.2x cheaper outputHigher intelligence scoreAccepts fileNewer release
7openai logo
GPT-5

OpenAI

Input / 1M$1.25Output / 1M$10Context400KIntelligence23-3%Compare
Why switch:Accepts file
Input / 1M$3+140%Output / 1M$15+50%Context1M+150%Intelligence20.7-13%Compare
Why switch:Larger 1M contextAccepts file
9openai logo
Input / 1M$0.25-80%Output / 1M$2-80%Context400KIntelligence20.6-13%Compare
Why switch:5.0x cheaper outputAccepts file
10openai logo
o3

OpenAI

Input / 1M$2+60%Output / 1M$8-20%Context200K-50%Intelligence20.2-15%Compare
Why switch:1.3x cheaper outputAccepts file

FAQ

Frequently asked questions

What is the best alternative to GPT-5.1-Codex?

GPT-5.2 from OpenAI ranks first, based on independent benchmark scores. It costs $14 per 1M output tokens, compared with $10 for GPT-5.1-Codex.

Is there a cheaper alternative to GPT-5.1-Codex?

Yes. DeepSeek V4 Flash 0423 charges $1.28 per 1M output tokens, versus $10 for GPT-5.1-Codex.

Can I try GPT-5.1-Codex and its alternatives at the same time?

Yes. Shortcut Chat sends one prompt to several models at once, so you can compare GPT-5.1-Codex with any of these alternatives on your own tasks.

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Not sure which to pick? Try them all.

Send one prompt to GPT-5.1-Codex and its alternatives at the same time, and keep the answer you like best.