There is a massive gap in the AI coding tool market. On one side, you have free tools that are good but not great. On the other, you have $200+/month setups that are excellent but hard to justify unless you are shipping code for a living at a high salary.
The sweet spot is $35 to $50/month. At this price point, you get near-frontier model quality, full agent capabilities, and enough flexibility to handle any coding task. I have been running this exact stack for four months, and it beats both the fully free setup (too slow for complex work) and the expensive all-in subscriptions (paying for capacity I never use).
Here is the exact configuration, why each piece earns its spot, and the math that proves it beats $200 alternatives for 90% of developers.
The $35 to $50 Stack
| Tool | Cost | What It Does |
|---|---|---|
| Claude Pro | $20/month | Opus 5 access, Claude Code included |
| OpenRouter credits | $15/month | Fallback models, batch work |
| Ollama | $0 | Local models for offline/privacy |
| Continue.dev | $0 | IDE integration with any model |
| Cursor free tier | $0 | Occasional use for simple edits |
Total: $35/month base, up to $50 if you use more OpenRouter credits.
Let me explain why each piece matters and how they work together.
Claude Pro ($20/month): The Foundation
Claude Pro gives you access to Claude Opus 5 and includes Claude Code with 1x usage allocation. For my workflow, this means roughly 3 to 4 hours of active Claude Code use per day before hitting soft limits.
What $20 gets you:
- Claude Opus 5 for complex reasoning (genuinely the best model for multi-file coding)
- Claude Code terminal agent included
- Sonnet 5 unlimited for simpler tasks
- Extended thinking on Opus 5 for hard problems
Why this is the foundation, not OpenRouter or Cursor:
I have tried building a stack around Cursor Pro ($32) or around OpenRouter alone. The problem with Cursor as a foundation is that its agent capabilities, while improving, are still behind Claude Code for complex multi-file orchestration. And OpenRouter alone requires you to manage everything yourself.
Claude Pro at $20 gives you the best agent in the market with enough allocation for the hard problems. Everything else in this stack handles the routine work. Check my Claude Code setup guide for the optimal configuration.
OpenRouter Credits ($15/month): The Flex Layer
OpenRouter is where the magic happens for cost optimization. You load $15 in credits and route different tasks to different models based on what they need.
My routing strategy:
| Task Type | Model | Cost per 1M tokens |
|---|---|---|
| Simple code generation | DeepSeek V4 Flash | $0.07 in / $0.28 out |
| Code review, explanations | Gemini 3.6 Flash | $0.10 in / $0.40 out |
| Complex reasoning | Claude Opus 5 | $15 in / $75 out |
| Batch processing | DeepSeek V4 Flash | $0.07 in / $0.28 out |
At these rates, $15 in OpenRouter credits lasts me an entire month for the tasks I route there. DeepSeek V4 Flash handles 70% of my OpenRouter usage because most tasks do not need frontier-quality reasoning.
Why not just use Claude Pro for everything?
Because Claude Pro’s allocation runs out if you use it for routine tasks. Every simple question you ask Opus 5 through Claude Code is burning through your 1x allocation. Save Opus for the hard stuff, route the rest to cheap models through OpenRouter.
The flash models comparison guide breaks down exactly which budget models are best for different tasks.
Ollama ($0): Offline and Privacy Layer
Ollama runs local models for two specific use cases in my stack:
1. Offline coding (airplanes, coffee shops with bad wifi, VPN-restricted environments)
When I cannot reach the internet, I fall back to Qwen 3.6-27B running locally. It is not as good as Opus 5, but it is infinitely better than coding with no AI at all.
2. Privacy-sensitive work (client code under NDA, proprietary algorithms)
Some projects have strict data handling requirements. Running locally means zero data leaves my machine. For a full privacy-focused setup, check my local-first developer stack guide.
My local model choices:
- Qwen 3.6-27B for general coding (16GB RAM at Q4)
- Qwen 3.7 Flash for quick questions (8GB RAM)
- Codestral for local autocomplete when Mistral’s free tier is unavailable
The best AI models for coding locally guide covers what to run for different hardware configurations.
Continue.dev ($0): The Glue
Continue.dev ties everything together in VS Code. It is the single extension that connects to:
- Ollama for local models
- OpenRouter for cloud models
- Any OpenAI-compatible API
Why Continue.dev instead of Cursor or Copilot:
At this price point, Continue.dev is the smartest choice because it does not lock you into a specific model provider. You configure it once and can switch between local Ollama, OpenRouter, and direct API access without changing your workflow.
I configure it with:
- Chat: OpenRouter (routes to the best model per task)
- Autocomplete: Codestral via Mistral free tier (fast, code-specialized)
- Inline edit: Ollama + Qwen 3.6 (instant, no API calls)
This means my IDE AI works even when the internet is down (autocomplete falls back to local), and I am never paying premium prices for simple autocomplete suggestions.
Cursor Free Tier ($0): The Occasional Backup
I keep Cursor installed for two specific scenarios:
- Quick prototyping sessions where I want the integrated terminal and AI in one window
- Pair programming demos where Cursor’s UI is easier to show colleagues
The free tier gives limited completions per month, which is fine because I only use it a few times per week. If you find yourself using Cursor more than Continue.dev, it might make sense to swap to Cursor Pro ($32) instead of Continue.dev + OpenRouter, but for me the flexibility wins.
Why This Beats $200 Alternatives
Let me do the comparison math:
Claude Max at $100/month: You get 5x Claude Pro allocation. But I only need frontier Opus 5 quality for 20 to 30% of my tasks. Paying $100 for 5x allocation when I route 70% to $0.07/1M token models is throwing money away. My $20 Pro + $15 OpenRouter gives me effectively more total AI usage than Max, just distributed across appropriate models.
Cursor Business at $32/month (and really more like $200 with team features): Cursor Business locks you into their ecosystem. You get their agent (good but not Opus 5 level), their autocomplete (good but not Codestral level), and their model routing (decent but less flexible than OpenRouter). For teams that want simplicity and can afford it, Cursor Business is fine. For individual developers who want maximum capability per dollar, this modular stack wins.
Claude Max $200/month (20x allocation): Unless you are coding 12+ hours daily on complex enterprise systems, you will never use 20x allocation. Most developers I talk to who are on the $200 plan use about 8 to 10x. They are paying double for headroom they do not touch.
The Daily Workflow
Here is how a typical day looks with this stack:
Morning (routine work):
- Open VS Code with Continue.dev
- Autocomplete powered by Codestral (free)
- Quick questions answered by DeepSeek V4 Flash via OpenRouter ($0.001 per question)
- Simple bug fixes handled locally with Qwen 3.6
Afternoon (complex work):
- Switch to Claude Code for multi-file feature development
- Use Opus 5 with extended thinking for architecture decisions
- Run Claude Code for refactoring sessions (this is where the $20/month value lives)
End of day:
- Code review via Gemini 3.6 Flash through OpenRouter (cheap, fast, good at spotting issues)
- Documentation generation via DeepSeek (perfectly adequate for docs)
This pattern means Opus 5 only gets invoked for 2 to 3 hours of genuinely complex work. The other 5+ hours use models that cost essentially nothing.
Who This Stack Is For
Ideal users:
- Professional developers coding 4 to 8 hours daily
- Freelancers who need quality tools but watch margins
- Small team leads who want to recommend an affordable setup
- Developers who want Opus 5 quality without Opus 5 bills
- Anyone transitioning from free tools who wants the minimum viable paid upgrade
Might need more:
- Developers working exclusively on 200K+ line codebases who need all-day Opus 5
- Team environments where everyone needs the same tooling (Cursor Business might simplify)
- Developers who value simplicity over cost optimization (just pay for Max)
Real Monthly Spending: 4 Months of Data
Here is what I actually spent over the last 4 months:
| Month | Claude Pro | OpenRouter | Total |
|---|---|---|---|
| April | $20 | $11.40 | $31.40 |
| May | $20 | $16.80 | $36.80 |
| June | $20 | $14.20 | $34.20 |
| July | $20 | $18.90 | $38.90 |
Average: $35.33/month for near-frontier AI coding capability.
The May and July spikes were months with more complex projects where I routed more tasks to Claude Opus 5 through OpenRouter (when I had exceeded my Pro allocation). Even in the most expensive month, I stayed under $40.
Optimizations That Keep Costs Down
-
Always start with the cheapest model that might work. DeepSeek V4 Flash handles 70% of prompts. Only escalate to Opus when it fails.
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Use local models for iteration. Generate the first draft with a cloud model, then iterate locally. Saves round trips.
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Batch similar tasks. If I have 5 test files to write, I batch them into one Claude Code session rather than 5 separate ones.
-
Track spending weekly. OpenRouter’s dashboard shows real-time spend. I check every Monday and adjust if I am trending over $15.
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Learn model strengths. Codestral is better at pure code completions than models 5x its price. Use the right tool for each job.
FAQ
Can I really get Opus 5 quality for $35/month?
Yes, for the tasks where you need it. The key insight is that you do not need Opus 5 for everything. Most coding tasks (60 to 70%) are handled perfectly by models that cost 100x less. Reserve Opus 5 for complex multi-file refactoring, architecture decisions, and novel problem-solving. The rest goes to cheap models without meaningful quality loss.
What happens when I hit Claude Pro limits?
On the Pro plan, you get soft-throttled rather than cut off. Responses become slower, and you may be temporarily downgraded to Sonnet for some requests. When this happens, I switch my complex tasks to OpenRouter where I can explicitly choose Opus 5 and pay per-token. The $15 OpenRouter budget handles these overflow cases.
Should I just get Cursor Pro ($32) instead of this whole setup?
Cursor Pro is a valid alternative if you value simplicity over flexibility. You get one tool that does everything decently. But you lose: the ability to use any model, local model fallback for privacy/offline, and the frontier quality of Claude Code’s agent for complex tasks. My stack costs similar money but gives more capability. The tradeoff is more configuration.
Is $15/month in OpenRouter credits enough?
For my usage pattern (6 to 8 hours coding per day), $15 covers everything comfortably. This is because 70%+ goes to DeepSeek V4 Flash at $0.07/1M input tokens. You would need to process 200M+ tokens of input to spend $15 at those rates. Even heavy users rarely exceed $20/month through OpenRouter unless they are routing everything to frontier models.
How does this compare to using Aider with API keys?
Aider is an excellent terminal agent that works with any API. You could replace Claude Code with Aider + Anthropic API keys and get similar results. The cost would be roughly the same ($20 to $40/month depending on usage). I prefer Claude Code for its polish and Opus 5 optimization, but Aider is a perfectly valid alternative, especially if you prefer open-source tools.