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Free Natural Language Processing (NLP) Software
Last updated: January 2026
No filters available
18 software options
Sponsored
Pro: Batch Transcription (Pre-recorded) $0.0050 /min for Standard $0.0083 /min for Enhanced Real-Time Transcription (Live Stream) $0.0067 /min for Standard $0.0117 /min for Enhanced 20% discount over 500 hr/month for all transcription. Voice Agent - Flow $0.0537 /min 20% discount over 100 hr/month for all agent conversations. Enterprise: Please contact Speechmatics directly for volume discount pricing.
Read more about Speechmatics
Altair AI Studio is part of the Altair RapidMiner platform: https://altair.com/altair-rapidminer Let’s create a plan for your team’s specific needs: https://altair.com/altair-units Or start with a free trial here: https://altair.com/altair-rapidminer-free-trials
Read more about Altair AI Studio
Moveo.AI has four pricing plans and a 14-day free trial, with no credit card required to try the platform and its features. You can find more information regarding the pricing plans For more information, please contact Moveo.AI.
Read more about Moveo.AI
MonkeyLearn API: $299/month with 10k queries/month. MonkeyLearn Studio: contact MonkeyLearn for pricing. A free Academic plan is available for educational use.
Read more about MonkeyLearn
Developer - $150/month Team - $468.14/month Enterprise - Pricing details available on request
Read more about FirstLanguage
cnvrg.io offers a 14-day free trial for new users, after which the software is available across 2 pricing tiers. Details are outlined below: cnvrg.io core: offers free deployment on any Kubernetes cluster with executions for $30/month For Premium plan details contact Accessible Labs.
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Free - $0 Business - $25/user/year Enterprise- Contact for details.
Read more about Dost
MeaningCloud is available across 4 pricing tiers, details of which are outlined below – Start-Up – $99 per month Professional – $399 per month Business – $999 per month Enterprise – Please contact MeaningCloud directly for pricing information It also offers a free version.
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CoreNLP offers a General Public License (GPL), which allows multiple free uses. It also offers a commercial license for distributors using proprietary software. Please contact Stanford NLP Group directly for additional pricing information.
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The free plan gives access to all the NLP pre-trained models, up to 3 requests per minute. Then each paid plan grants more requests and the GPU option for lower latency.
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