GPT-5.6 Luna alternatives

Best GPT-5.6 Luna alternatives

10 models that can stand in for GPT-5.6 Luna, ranked by benchmark score, with what each one does better.

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Current Model

GPT-5.6 Luna

Input / 1M
$0.20
Output / 1M
$1.20
Context
1.05M
Intelligence
37.3

Quick picks

The best alternative depends on what you need

Why people switch away from GPT-5.6 Luna, and the model that fits each reason best.

Ranked

Top GPT-5.6 Luna alternatives

Each model is scored against GPT-5.6 Luna. Green means better, red means worse.

GPT-5.6 Luna as the baseline, then the top alternatives scored against it
Input / 1M$0.20Output / 1M$1.20Context1.05MIntelligence37.3Reference model
Input / 1M$0.15-25%Output / 1M$0.50-58%Context1.05M0%Intelligence41.8+12%Compare
Why switch:2.4x cheaper outputHigher intelligence scoreAccepts videoNewer release
Input / 1M$0.75+275%Output / 1M$3.75+213%Context1.05M0%Intelligence40.9+10%Compare
Why switch:Higher intelligence scoreAccepts video and audioNewer release
Input / 1M$0.75+275%Output / 1M$3.75+213%Context1.05M0%Intelligence39.6+6%Compare
Why switch:Higher intelligence scoreAccepts video and audioNewer release
Input / 1M$0.30+50%Output / 1M$1.20Context1.05M0%Intelligence39.5+6%Compare
Why switch:Higher intelligence scoreNewer release
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Input / 1M$0.10-50%Output / 1M$0.50-58%Context1.05MIntelligence38.1+2%Compare
Why switch:2.4x cheaper outputHigher intelligence scoreNewer release
Input / 1M$0.14-30%Output / 1M$0.28-77%Context1.05MIntelligence37.9+2%Compare
Why switch:4.3x cheaper outputHigher intelligence scoreAccepts video and audioNewer release
Input / 1M$0.66+230%Output / 1M$1.98+65%Context1.05M0%Intelligence36-3%Compare
Why switch:Newer release
Input / 1M$0.22+8%Output / 1M$0.65-46%Context1.05M0%Intelligence34.8-7%Compare
Why switch:1.9x cheaper outputNewer release
Input / 1M$0.00-98%Output / 1M$1.28+7%Context1.05M0%Intelligence34.3-8%Compare
Why switch:Newer release
Input / 1M$0.43+113%Output / 1M$2.55+113%Context1M-5%Intelligence33.7-10%Compare
Why switch:Accepts videoNewer release

FAQ

Frequently asked questions

What is the best alternative to GPT-5.6 Luna?

GLM 5.3 Flash from Z.ai ranks first, based on independent benchmark scores. It costs $0.50 per 1M output tokens, compared with $1.20 for GPT-5.6 Luna.

Is there a cheaper alternative to GPT-5.6 Luna?

Yes. MiMo-V2.6-Flash charges $0.28 per 1M output tokens, versus $1.20 for GPT-5.6 Luna.

Can I try GPT-5.6 Luna and its alternatives at the same time?

Yes. Shortcut Chat sends one prompt to several models at once, so you can compare GPT-5.6 Luna 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-5.6 Luna and its alternatives at the same time, and keep the answer you like best.