Pre-recorded Speech-to-Text API
Pay per use /hr — no monthly fee
Custom spelling · Keyterms prompting · Language detection · Formatting · Word-level timestamps
AssemblyAI vs OpenAI Pricing Comparison
Comparing historical price movements, current plan features, and price change logs for AssemblyAI and OpenAI.
AssemblyAI
Full AssemblyAI history →20 dated pricing states tracked since 2019. Entry pricing in the latest mapped state starts at Custom / Quote.
OpenAI
Full OpenAI history →2 dated pricing states tracked since 2025. Entry pricing in the latest mapped state starts at $8/mo.
Coverage last checked AssemblyAI: 2026-08-04; OpenAI: 2025-11-02. Verify current offers on the vendors' pricing page and pricing page. Read the methodology and limitations.
Executive pricing summary
SaasTrack has logged historical pricing snapshots for both AssemblyAI and OpenAI in the AI software category. Currently, AssemblyAI entry pricing starts at Custom / Quote across 1 plans, while OpenAI entry pricing starts at $8/mo across 5 plans. Over the tracking period, AssemblyAI has recorded 166 price adjustments compared to 50 for OpenAI.
AssemblyAI vs OpenAI Key Metrics Table
| Comparison Metric | AssemblyAI | OpenAI |
|---|---|---|
| Starting Entry Price | Custom / Quote | $8/mo |
| Active Plan Count | 1 plans | 5 plans |
| Logged Price Changes | 166 changes | 50 changes |
| Tracking Since | 2019 | 2025 |
| Market Category | AI | AI |
Merged Price History Chart
AssemblyAIvsOpenAIUnified Price Chart
AssemblyAI is blue. OpenAI is orange. Filter by window and plan with the controls below.
latest · 2026-10-18
AssemblyAI: Custom, Enterprise, On-Premise — quoted on request, never listed with a price; OpenAI: Enterprise — quoted on request, never listed with a price.
AssemblyAI plans today
Pricing timeline20 changes since Oct 2019
Todaylive prices
OpenAI plans today
Free
Free
- messages and interactions: 100 messages
- storage: 5 GB
Limited deep research · Limited messages and uploads · Limited ChatGPT Work access on desktop · Limited access to GPT-5.5 Instant · Limited memory and context · Limited Codex access · Limited image generation
Go
$8 /user/mo
- messages and interactions: 250 messages
More image creation · Longer memory · More uploads · More messages · More access to GPT-5.5 Instant
Plus
$20 /user/mo
- expanded messages and interactions: 500 messages
Early access to new features · Expanded Codex usage · Expanded access to ChatGPT Work on desktop, web, and mobile · Advanced reasoning models with GPT-5.6
Pro
$100 /user/mo
unlimited usage · 5x or 20x more usage · Maximum deep research · Unlimited and faster image creation · Maximum memory and context · Pro reasoning with GPT-5.6 Sol Pro
Enterprise
Contact sales
Pricing timeline6 changes since Sep 2025
Todaylive prices
AssemblyAI recent price changes
AssemblyAI change log
| When | Event | What changed |
|---|---|---|
| 2026-05-22 | Plan removed | Enterprise |
| 2026-05-22 | Plan added | Custom |
OpenAI recent price changes
OpenAI change log
Frequently asked questions
Which is cheaper, AssemblyAI or OpenAI?
Entry pricing for AssemblyAI starts at Custom / Quote, while OpenAI entry pricing starts at $8/mo. Check the interactive timeline chart above to compare plan features and seat pricing side by side.
How frequently do AssemblyAI and OpenAI adjust their prices?
SaasTrack has logged 166 price modifications for AssemblyAI since 2019 and 50 price modifications for OpenAI since 2025.
Can I track future price increases for AssemblyAI and OpenAI?
Yes, creating a free account on SaasTrack allows you to set automated watchlist alerts whenever AssemblyAI, OpenAI, or other competitors update their plans.
Are historical price change logs free to view for AssemblyAI vs OpenAI?
Yes! All historical pricing charts, active plan feature breakdowns, and change logs for both AssemblyAI and OpenAI are 100% free to view on SaasTrack without creating an account.
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