Quick verdict

Otter.ai or GPT-5.6 Luna?

Choose Otter.ai when meeting transcription, summaries and conversation follow-up is the closer match. Choose GPT-5.6 Luna when high-volume extraction, classification and routine agent tasks matters more. Test both on the same real tasks before moving a production workflow.

Choose Otter.ai for

Meeting transcription, summaries and conversation follow-up

Choose GPT-5.6 Luna for

High-volume extraction, classification and routine agent tasks

Otter.ai · Product

Otter.ai

Meeting transcription, summaries and conversation follow-up

Official specification ↗
OpenAI · Model

GPT-5.6 Luna

GPT-5.6 model optimized for cost-sensitive, high-volume workloads.

Official specification ↗
01

Side-by-side comparison

CategoryOtter.aiGPT-5.6 Luna
ProviderOtter.aiOpenAI
TypeProduct · MeetingsModel · Reasoning model
Pricing summaryFree and paid individual, business and enterprise plans$0.20 input, $0.02 cached input and $1.20 output per 1M tokens
Input priceProduct or plan pricing$0.20 / 1M tokens
Cached inputNot directly comparable$0.02 / 1M tokens
Output priceProduct or plan pricing$1.20 / 1M tokens
Context windowVaries by included model and plan1.05M tokens
Maximum outputVaries by included model and surface128K tokens
Knowledge cutoffModel-dependent; web access may add current informationFebruary 16, 2026
ReasoningVaries by selected model or modenone, low, medium, high, xhigh, max
Relative speedVaries by model, plan and workloadFast / cost optimized
Input modalitiesSee documented product featuresText and image
Output modalitiesSee documented product featuresText
Tools and integrationsLive transcription; Automated summaries and action items; Meeting-platform integrations; Team vocabulary and admin controlsFunctions, web search, file search, computer use and supported Responses API tools
API / accessProduct surface; see official source for API availabilityv1/responses, v1/chat/completions and v1/batch
Best fitMeeting transcription, summaries and conversation follow-upHigh-volume extraction, classification and routine agent tasks
CompanyOtter.aiOpenAI
Product categoryProduct · MeetingsModel · Reasoning model
Current pricing noteFree and paid individual, business and enterprise plans$0.20 input, $0.02 cached input and $1.20 output per 1M tokens
Best suited toMeeting transcription, summaries and conversation follow-upHigh-volume extraction, classification and routine agent tasks
Key capabilitiesLive transcription; Automated summaries and action items; Meeting-platform integrations; Team vocabulary and admin controls1.05M context; 128K maximum output; Vision input; Responses API tools
Last verified2026-09-022026-09-08
Official product sourcehttps://otter.ai/pricinghttps://developers.openai.com/api/docs/models/gpt-5.6-luna
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How we reached this verdict

We looked at the things that affect everyday use: what each product can do, how its plans are structured, where it fits into your existing workflow, and what the provider currently documents. Benchmark results are useful context, but they are not a universal winner score because test settings and tools vary.

03

Common questions

Otter.ai or GPT-5.6 Luna: which should I choose?

Choose Otter.ai for meeting transcription, summaries and conversation follow-up. Choose GPT-5.6 Luna for high-volume extraction, classification and routine agent tasks. Validate the decision with your own prompts and total task cost.

Is Otter.ai cheaper than GPT-5.6 Luna?

Pricing units can differ. Otter.ai: Free and paid individual, business and enterprise plans. GPT-5.6 Luna: $0.20 input, $0.02 cached input and $1.20 output per 1M tokens. Check tool charges, plan limits, caching and long-context rules before comparing totals.

Which is better for coding and agent work?

Capability depends on the selected product surface, tools and harness. Otter.ai is positioned for meeting transcription, summaries and conversation follow-up; GPT-5.6 Luna is positioned for high-volume extraction, classification and routine agent tasks. Run the same repository task on both.

How do their context windows compare?

Otter.ai lists Varies by included model and plan; GPT-5.6 Luna lists 1.05M tokens. A larger limit does not by itself guarantee better retrieval or lower cost.

04

Official sources

Use these provider pages to confirm current features, pricing and availability.

AI tools change quickly. We checked this page on 2026-09-08. Before you subscribe, confirm the latest price, regional availability and usage limits on the provider website.