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You're probably still using GPT40 or
maybe you upgraded to GPT5 thinking
you've got the latest and greatest from
OpenAI. But here's the thing. While
everyone was arguing about whether GPT5
was better or worse than GPT40, OpenAI
quietly dropped GPT 5.1 in November and
after spending the last 2 weeks testing
every single feature and diving deep
into the technical documentation,
I discovered something fascinating.
This isn't just another incremental
update. GPT 5.1 fundamentally changes
how AI models think and respond and most
people are using it completely wrong.
Welcome back to bitbiased.ai
where we do the research so you don't
have to join our community of AI
enthusiasts with our free weekly
newsletter. Click the link in the
description below to subscribe. You will
get the key AI news tools and learning
resources to stay ahead. So, in this
video, I'm going to show you exactly
what GPT 5.1 is, why it exists, and most
importantly,
how to actually use it to get results
that'll blow your mind. We're going to
walk through real examples comparing it
to previous models. I'll show you the
exact prompting techniques that unlock
its full potential, and I'll reveal why
some users absolutely hate it while
developers are calling it game-changing.
First up, let me show you the two
completely different modes of GPT 5.1
that most people don't even know exist
and why choosing the wrong one is
probably why you're not impressed yet.
The real story behind GPT5.
Here's what actually happened. And trust
me, this context changes everything
about how you should approach this
model. August 2025, OpenAI releases GPT5
with massive fanfare. The benchmarks
were incredible. It crushed coding
challenges, demolished math problems,
and technically outperformed everything
before it. But then something unexpected
happened. Users absolutely hated it. The
backlash was so intense that Sam Alman
publicly admitted they totally screwed
up the roll out. Users called it cold,
robotic, even labbotomized compared to
the warm, empathetic GPT40 they'd grown
to love.
Just 3 months later, and this is where
it gets interesting. Open AAI quietly
releases GPT 5.1, not as some
revolutionary GPT6, but as a decimal
update. Most people assumed it was bug
fixes. They were wrong. What OpenAI
actually did was completely rethink
their approach. Instead of one model
trying to do everything, GPT 5.1 comes
in two distinct flavors, each optimized
for different types of thinking. GPT 5.1
Instant is your default conversational
list. It has something called adaptive
reasoning. The model literally decides
in real time whether your question needs
quick retrieval or deep thinking. Ask
about the weather, instant response. Ask
it to analyze your business strategy.
It automatically shifts into deeper
reasoning mode without you doing
anything. GPT 5.1 thinking is where
things get wild. This variant
dynamically adjusts how long it thinks
before responding.
On simple tasks, it's twice as fast as
GPT5. Give it complex problems and it'll
take twice as long because it's actively
reasoning through problems step by step.
But there's a third variant nobody talks
about. GPT5.1 Codeex Max. This uses
compaction, maintaining perfect
coherence across millions of tokens.
Regular models lose track after 50,000
words. This thing can work on your
codebase for 24 hours straight without
forgetting anything. It scored 76.3% on
swbench verified. The previous best was
around 45%. The context window is now
196,000 tokens for paid users, roughly
150,000 words. You could paste in three
novels and ask it to find connections.
And with API prompt caching for 24
hours, repeated queries are 90% cheaper.
Why the controversy exists? To
understand why GPT 5.1 is causing such
division, we need to talk about GPT40
and what went wrong with GPT5. GPT40
released in May 2024 was beloved. It
felt almost human, expressing genuine
concern when you seemed stressed,
celebrating your wins with enthusiasm.
People formed real attachments.
But OpenAI discovered through internal
safety reviews that GPT40 might have
been too empathetic. There were
incidents with vulnerable users where
the model's eagerness to please created
problems. So GPT5 swung the opposite
direction. Technically superior in every
way, but users immediately noticed it
felt soulless.
Where GPT40 would say, "I understand
this must be frustrating. Let's work
through it together."
GPT5 would respond, "Provide specific
parameters for analysis."
The rebellion was swift. Users with ADHD
who relied on chat GPT for daily
organization said it no longer
understood their needs. Writers said it
lost all creativity.
OpenAI had to bring back GPT40 as a
legacy option.
Let me show you the difference with a
real example. I asked each model, I'm
feeling overwhelmed with my project
deadline. Can you help? GPT40.
I can absolutely hear that you're
feeling stressed and that's completely
valid.
Let's take a deep breath and work
through this together step by step.
GPT5, please provide one, project
requirements, two, current completion
status, three, available time until
deadline. GPT 5.1 Deadlines can
definitely feel overwhelming. I get it.
Let's make this manageable. Tell me what
you're working on and when it's due, and
I'll help you create a realistic plan.
See the difference? GPT 5.1 acknowledges
the human element without overdoing it,
then pivots to practical help. On
benchmarks, GPT 5.1 scored 78% on AM
2025 math competition versus GPT5 72%.
It's 2 to 3x faster than GPT5 on average
tasks while using 30 to 50% fewer tokens
than competitors. Balosni Asset
Management reported it outperformed both
GPT4.1 and GPT5 while running 23x
faster.
Free VS Paid Access. Let's talk about
what you can actually do without paying
because the free tier is simultaneously
more generous and more frustrating than
ever. Good news. GPT 5.1 is available
free at chat.opai.com
immediately. No wait list. You get
approximately 10 messages with GPT 5.1
instant per 5 hour rolling window. Send
a message at 2 p.m. That slot reopens at
7 p.m. Spread your usage throughout the
day for maximum access. After 10
messages, it switches to GPT 5.1 Mini.
Faster but less capable. For basic
tasks, you might not notice. You also
get limited access to GPT40 and 04 Mini.
Pro tip: Use GPT 5.1 instant for complex
questions. GPT40 for creative writing.
O4 Mini for coding. What you can't
access free. GPT 5.1
thinking maybe one two uses daily. GPT
5.1 Pro completely locked. 03 and 03 Pro
reasoning models paid only.
Chat GPT plus $20 month gives you 160
messages per 3 hours with GPT 5.1
instant, a 16x increase. Plus 80
messages with GPT40 and 3,000 weekly
messages with GPT 5.1 thinking. That's
over 400 complex reasoning sessions per
week. Chat GPT Pro 200 month is overkill
unless you're running a business.
Unlimited GPT 5.1 exclusive access to
GPT 5.1 Pro and 03 Pro. My calculation,
if GPT 5.1 saves you 1 hour monthly,
it's paid for itself.
Most save that in the first week.
Real world walkthroughs.
Let me show you exactly what GPT 5.1 can
do that'll change how you work. Coding
revolution with GPT 5.1 codeex. Be
specific. I told it create a Python
script that reads sales data.csv,
identifies top performing products by
region, generates an interactive plotly
dashboard with drill down capability,
includes anomaly detection, and exports
both PDF and HTML reports. Add
comprehensive error handling and
progress bars. What I got wasn't just
code. It was productionready software
with documentation, error handling, and
performance optimizations I hadn't
considered. The apply patch tool means
it can modify specific functions in
10,000line code bases without touching
anything else. Content creation
workflow. Start with GPT 5.1. Instant in
friendly mode for brainstorming. Switch
to professional for outlining with word
counts. Ask it to identify curiosity
gaps where readers might drop off.
for writing, alternate modes,
friendly for introductions, professional
for technical sections, quirky for
conclusions.
My writing time drops 70%. Learning
complex topics for quantum computing,
start with friendly mode for conceptual
overview with analogies.
Switch to nerdy for technical deep
dives. Hit confusion, use efficient mode
for just essentials. It's like having
three different tutors. Power user
techniques. Forget basic prompt
engineering. GPT 5.1 responds to outcome
focused prompting with progressive
refinement.
Instead of write about productivity, try
create a 1/200word blog post that
converts productivity app skeptics to
believers using problem agitation
solution framework including three case
studies with metrics. James Clear style
but more technical. Optimized for
productivity system for developers
without seeming SEO focused.
Progressive refinement. Start broad then
zoom in. Give me a productivity system.
Focus on morning routine. Elaborate on
code review process. Create a checklist.
Each refinement builds on context. API
cost cutters. Extended prompt caching
saves 90% on repeated system prompts.
Use reasoning effort control. None for
lookups, minimal for summaries, high for
complex problems. One startup cut cost
60% with dynamic reasoning effort.
Personality customization. The nine
presets are starting points. Mid
conversation say be more casual like
texting and watch it adapt. Create
custom profiles for brainstorming.
Be wildly creative. Think like Elon Musk
meets a 5-year-old.
for editing. Be ruthlessly honest but
constructive. Common mistakes.
Overprompting. GPT 5.1 infers context
better. Get to the point. Ignoring model
picker. Manually switch for specific
tasks. Forgetting legacy models. GPT40
still excels at creative writing.
Developer gold. Test both instant and
thinking with reasoning. Effort none.
Thinking with no reasoning might be
faster than instant while maintaining
quality.
Monitor tokens religiously. GPT 5.1 is
efficient, but your prompts might be
overengineered.
The controversy. Open AAI's Reddit AMA
about GPT 5.1 became a bloodbath. 1d300
down votes, 1,200 critical comments.
Here's why users are furious.
The safety router override. You select
GPT40 for creative writing.
Midcon conversation about your fantasy
novel's battle scene, responses feel
different.
The system silently switched you to a
safer model without permission. Your
workflow broken. This happens with
emotional topics, fictional violence,
even D&D campaigns.
Loss of personality.
For neurode divergent users who built
productivity systems around GPT40's
specific interaction style, this was
devastating.
One user described losing GPT40 as
losing a limb. Sam Alman acknowledged
people form stronger attachments to AI
models than any previous technology.
Model confusion, GPT5, GPT 5.1, instant
thinking auto pro, mini codec, Codeex
Max plus O series models. One commenter
joked, "I need an AI to choose which AI
to use." Open AAI responded by doubling
plus rate limits, restoring permanent
GPT40 access, and promising router
improvements. But the fundamental
tension remains, balancing safety
against user autonomy.
Developers, meanwhile, are thrilled.
GPT 5.1 Codeex is incredibly steerable,
and companies report 20% improvements in
production. The controversy isn't about
capability. It's about control and
connection. The future trajectory GPT
5.1 isn't just an update. It's a preview
of the next decade. The shift from one
model to specialized models with
intelligent routing is permanent. Soon
you won't choose models. You'll describe
outcomes and AI orchestrates everything.
Compaction technology GPT 5.1 Codeex
Max. Working across millions of tokens
means AI agents that can work on
projects for weeks with perfect context.
Imagine an AI junior developer who
actually remembers yesterday's work.
2026 predictions GPT 5.2 in Q1 with
real-time video understanding and
emotional audio processing. Oer models
outperforming PhD experts in narrow
domains. Autonomous agents managing
entire projects with minimal
supervision. open- source basic
capabilities. While premium features
stay proprietary, the competition
accelerates everything. Google's Gemini
3, Anthropics Claude, Chinese companies
like DeepSeek every 3 months brings
capabilities that seemed impossible the
year before.
Your action plan, pick one repetitive
workflow. Spend a week optimizing it
with GPT5.1.
Really commit. Find the best prompts,
settings, personality modes.
Once you've 10xed one workflow, move to
the next. Within 3 months, you'll
operate at a level that seems impossible
to others.
The skills that matter. Knowing when to
use AI versus human judgment, evaluating
output critically, combining AI with
human creativity, and iterating rapidly.
So, here's where we land. GPT 5.1 isn't
just another model update you can
ignore. It's a fundamental shift in how
AI systems work. Whether you love it or
hate it matters less than whether you
can use it effectively.
Yes, the safety routting frustrates
power users. Yes, some prefer older
models for specific tasks. But if you're
waiting for the perfect AI model, you're
missing the point. The revolution isn't
coming. It's here, accelerating faster
than most realize. Here's my challenge.
Pick one thing from today and actually
try it. Maybe it's GPT 5.1 codecs for
coding. Maybe experimenting with
personality modes, maybe finally
upgrading to plus. Whatever it is, take
action today. Drop a comment. What are
you going to try first? If you're
already using GPT 5.1, share what's
working. The AI community we're building
is about practical results, not hype.
Hit subscribe if you want to stay ahead.
I'm tracking every major AI development,
testing everything myself, and breaking
down what's real versus marketing fluff.
The future isn't evenly distributed yet,
but for those paying attention and
taking action, it's accessible today.
JPT 5.1 is your invitation to that
future. The question isn't whether
you'll eventually use AI like this. You
will. The question is whether you'll be
ahead of the curve or playing catchup.
Thanks for watching and I'll see you in
the next one where we're diving into
something even more mind-blowing
dropping next week. Trust me, you won't
want to miss it.