Shadowing Practice: 5 open source tools that replaced my $320/mo AI stack... - Learn English Speaking with Video
Les maken...
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Recently, I did some math, and it made me realize how broken the world is.
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A cursor, $20.
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Claude Max, $100.
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GPT Pro, another $100.
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Gemini Ultra, another $100.
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Not to mention 11 Labs, DeepSeq, and all the API keys I signed up for two years ago and forgot about.
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My AI addiction got so expensive that I had to quit alcohol and Zin.
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And I'm not the only one, because alcohol sales in the United States are currently sitting at historic lows.
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And Big AI is the one to blame for this.
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But that was my wake-up call, and since then, I've cancelled all these subscriptions, and now self-host the ultimate AI stack for developers that's not only cheaper, but far more productive.
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In today's video, we'll look at a bunch of free and open-source projects you can run on your own server.
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We'll make them work together, while still having the option to tap into the intelligence of big models like Claude and GPT Sol.
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It is September 7th, 2026, and you're watching The Code Report.
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The first tool we need to talk about is OLAMA, because every AI stack first needs a model.
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For most people, this means sending your proprietary code to a trillion dollar corporation and trusting them to keep it totally safe, or you can use OLAMA and do everything locally.
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I've talked about this tool many other times on the channel, and essentially it's like Docker for large language models.
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It gives you a simple command line interface and API for downloading and running models on your own machine.
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This is great if you want to try out the latest Chinese models or any other open weight models, and what's even better is that all your prompts stay private and the inference cost is zero,
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which means the model continues to work even after your credit card is declined.
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The big problem, though, is that you probably don't own the hardware to run anything close to state-of-the-art.
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The small models will run almost anywhere, but running a frontier-sized model would require a small data center, and that's a big problem if you're a Vibe engineer who needs to write top-tier slot.
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Luckily, there's a self-hostable solution to this called 9Router, which is an AI tool that sits between your AI tools and dozens of different model providers through one local endpoint.
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Instead of juggling nine different API keys, 9Router provides one door with an OpenAI compatible proxy that allows you to point everything through localhost.
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But the thing that's really cool about 9Router is fallback tiers.
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On tier one, you might have an existing subscription like Claude Max that you already pay for.
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Then on tier two, you might have a cheap pay-per-token OpenAI model as a backup.
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Then tier three has all of free providers like Chinese models, vertex trial credits, and so on.
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That means if you max out Claude Max, it'll automatically roll over to the next tier without you having to do anything.
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But in addition to that, 9Router also tracks usage and will compress your tool output to reduce token consumption, which will ultimately save you a bunch of money.
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But if you're still eating billions of tokens per day, then you need to know about Headroom, which is a context compression layer for AI agents.
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You ask AI to center a div, and to do that, it reads 50,000 lines of your package lock JSON file, then it evaporates an Olympic-sized swimming pool worth of water,
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just to realize it needs to install Tailwind CSS.
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Headroom sits between your application and the model provider,
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and compresses everything from tool outputs to log files and any other useless chunks before it actually goes to the model, which would be billable input tokens.
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And one clever design feature of this tool is that it's reversible.
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The compressed content that ships to the model is cached on your local machine, which means if the model ever needs it, it can always retrieve it.
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This sounds awesome, but at this point, you might be wondering, where do I deploy all this stuff?
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Well, the answer, of course, is Hostinger, the sponsor of today's video.
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Not only is it one of the most affordable places to host your own virtual private server, but they also have an entire Docker catalog built into the panel,
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which means every single open source project I talk about in this video can be hosted there with a single click.
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In fact, you could have all these tools running and working together on the same VPS.
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Head over to hostinger.com slash fireship and use my coupon code to save a bunch of money spinning up your own VPS.
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Once you have that done, the next tool you'll want to install there is Diffy.
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Everything we've talked about so far is infrastructure, but now it's time to build an actual app that'll make us rich.
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Instead of trying to engineer everything through prompts, Diffy is a visual builder that allows us to drag nodes on a canvas.
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This has been a game changer for Horse Tinder and its AI matchmaking feature.
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The app will send Diffy each horse's profile information, then a visual workflow retrieves compatible horses from the database, and uses a large language model to explain each match.
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Like Thunder and Butternuts are a 94% match because they both enjoy trail rides and biting children.
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Then the entire workflow is exposed as an API, so the front-end application can just call it whenever a horse swipes right.
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Amazing, but building apps as a human became outdated in Q2 2026 after the release of open hands
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which is an open source tool
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that allows you to fire yourself this tool is a top performing autonomous coding agent on swebench verified
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which is the benchmark where models fix real github issues instead of trying to build
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and fix things just open up github issues
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and let open hands do all the work essentially it gives
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you a command center where you can self-host an army of ai agents
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that are always on and working in the background and because Because it's running on your own virtual private server, you have the option to run it with OpenAI or Anthropic models,
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or use the local LLMs that you installed earlier with OLAMA.
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And now at this point, we have our own private AI stack that could build any type of software you can imagine.
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But this is just the tip of the iceberg, and there's tons of other open source applications in Hostinger's Docker catalog that you can install with zero hassle.
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Check out the link below
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and use coupon code Fireship to get your own virtual private server on Hostinger up and running right now.
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This has been the Code Report, thanks for watching, and I will see you in the next one.
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Woordenschat en spreektips bij deze les
Deze spreekles op niveau B2 is gebaseerd op de video “5 open source tools that replaced my $320/mo AI stack..”. Deze woorden komen het vaakst terug: model, tool, tier, code, private. Deze video bevat 63 zinnen en 1161 woorden om na te spreken. Het gesproken deel duurt 5:22. De spreker praat snel, ongeveer 217 woorden per minuut, dus reken op verbonden en ingeslikte klanken. Slechts 80% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.
Belangrijke woorden in deze video
De 15 moeilijkste woorden uit de video, met uitspraak en betekenis:
| Woord | Uitspraak | Betekenis |
|---|---|---|
| tier zelfstandig naamwoord | /ˈtɪɚ/ | laag, rang |
| token zelfstandig naamwoord | /ˈtoʊkən/ | teken |
| compress werkwoord | /ˈkɑmpɹɛs/ | comprimeren, samendrukken |
| stack zelfstandig naamwoord | /stæk/ | stapel |
| provider zelfstandig naamwoord | /pɹəˈvaɪ.də(ɹ)/ | verlener |
| install werkwoord | /ɪnˈstɔl/ | installeren, aansluiten |
| retrieve werkwoord | /ɹɪˈtɹiːv/ | terugbrengen, terugkrijgen |
| prompt werkwoord | /pɹɑmpt/ | aansporen, aanmoedigen |
| coupon zelfstandig naamwoord | /ˈkuːˌpɑn/ | coupon |
| catalogue zelfstandig naamwoord | /ˈkæt.əˌlɔɡ/ | catalogus, cataloog |
| compatible bijvoeglijk naamwoord | /kəmˈpæt.ə.bəl/ | verenigbaar |
| subscription zelfstandig naamwoord | /səbˈskɹɪpʃən/ | abonnement |
| cursor zelfstandig naamwoord | /ˈkɜːsə/ | muisaanwijzer, cursor |
| evaporate werkwoord | /ɪˈvæp.ə.ɹeɪt/ | verdampen |
| iceberg zelfstandig naamwoord | /ˈaɪsbɝɡ/ | ijsberg |
Phrasal verbs die je zult horen
| Woord | Uitspraak | Betekenis |
|---|---|---|
| check out werkwoord | onderzoeken | |
| try out werkwoord | uitproberen | |
| wake up werkwoord | /ˌweɪk ˈʌp/ | wakker worden, ontwaken |
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Present perfect have/has + voltooid deelwoord — iets uit het verleden dat nu nog telt | I've cancelled · I've talked · we've talked |
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | is declined · is cached · can be hosted |
| Betrekkelijke bijzinnen who / which + zin — extra informatie over een persoon of ding | consumption, which will · Headroom, which is · machine, which means |
Uitspraak om op te letten
De spreker gebruikt 13 samentrekkingen en verkorte vormen, zoals you're, I've, we'll. Spreek ze kort uit, zoals je ze hoort.
- De klanken “sh” en “zh”: subscription /səbˈskɹɪpʃən/, benchmark /ˈbɛn(t)ʃmɑːk/, cache /kæʃ/, compression /kəmˈpɹɛʃ.ən/, addiction /əˈdɪkˌʃən/
- Lange woorden — let op de klemtoon: compatible /kəmˈpæt.ə.bəl/, evaporate /ɪˈvæp.ə.ɹeɪt/, reversible /ɹəˈvɜː(ɹ)sɪbəl/, proprietary /pɹəˈpɹaɪ.ə.tə.ɹi/, autonomous /ɔˈtɑnəməs/
Klanken die Nederlandstaligen lastig vinden:
- Stemhebbende eindmedeklinker — /b/, /d/, /g/, /z/, /v/ niet verscherpen: retrieve /ɹɪˈtɹiːv/, catalogue /ˈkæt.əˌlɔɡ/, iceberg /ˈaɪsbɝɡ/, outdated /aʊtˈdeɪtɪd/, node /noʊd/
- /æ/ — opener dan de Nederlandse “e”: stack /stæk/, catalogue /ˈkæt.əˌlɔɡ/, compatible /kəmˈpæt.ə.bəl/, evaporate /ɪˈvæp.ə.ɹeɪt/, fallback /ˈfɔːl.bæk/
- /g/ — een harde plofklank, geen Nederlandse “g”: catalogue /ˈkæt.əˌlɔɡ/, iceberg /ˈaɪsbɝɡ/, juggling /ˈd͡ʒʌɡəlɪŋ/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Begin op 0,75× snelheid, spreek zin voor zin na en ga terug naar normale snelheid zodra het makkelijk gaat.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als tier, token, compress.
Wat is de Shadowing-techniek?
Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.