Compare/Kampala vs Mistral Large 3

AI tool comparison

Kampala vs Mistral Large 3

Which one should you ship with? Here is the side-by-side panel verdict, pricing read, reviewer split, and community vote comparison.

K

Developer Tools

Kampala

MITM proxy that reverse-engineers any app into a stable, callable API

Ship

75%

Panel ship

Community

Free

Entry

Kampala, built by Zatanna AI (YC W26), is a macOS proxy tool that sits between your applications and the internet, intercepts every HTTP/HTTPS request, and automatically reverse-engineers the underlying API. It traces authentication chains — tracking tokens, cookies, and session state — and replays flows on demand, preserving original TLS fingerprints so services can't distinguish API calls from the real app. The key insight is that almost every app that lacks a public API still has a private one — and it's usually more stable than the UI. Kampala targets automation engineers, QA teams, and AI agent builders who need reliable machine-readable access to apps that haven't opened their APIs. Setup is a local MITM cert install; no cloud proxy involved. Currently macOS-only with a Windows waitlist. The team emerged from YC's Winter 2026 batch with backing from Y Combinator. Pricing is in early access, with a free tier planned for solo developers and paid plans for teams building production automations.

M

Developer Tools

Mistral Large 3

128K context, overhauled function calling — Mistral's best open-weight yet

Ship

75%

Panel ship

Community

Free

Entry

Mistral Large 3 is Mistral AI's most capable open-weight model, featuring a 128K context window and a redesigned function-calling interface purpose-built for agentic workflows. It's available under the Mistral Research License and can be self-hosted or accessed through La Plateforme API. The redesigned tool-use interface is the headline developer-facing change, aiming to make multi-step agent construction less painful.

Decision
Kampala
Mistral Large 3
Panel verdict
Ship · 3 ship / 1 skip
Ship · 3 ship / 1 skip
Community
No community votes yet
No community votes yet
Pricing
Free (early access)
Free (Research License, self-hosted) / La Plateforme API usage-based pricing
Best for
MITM proxy that reverse-engineers any app into a stable, callable API
128K context, overhauled function calling — Mistral's best open-weight yet
Category
Developer Tools
Developer Tools

Reviewer scorecard

Builder
80/100 · ship

This is the tool I've been building in-house at three different companies and never had time to productize properly. The auth chain tracing alone — tracking token refresh flows and session state automatically — would have saved me hundreds of hours. If it works as advertised, it's an instant ship for anyone doing integration work.

82/100 · ship

The primitive here is a 128K-context instruction-following model with a reworked tool-calling schema — and the DX bet is that cleaner function-calling JSON contracts will reduce the prompt-engineering tax on agent builders, which is a real problem. The moment of truth is swapping this into an existing LangChain or raw-API agent workflow; if the tool-call format is stable and the parallel function-calling works as documented, that's a genuine win over the previous generation. The self-hostable open-weight release is the specific technical decision that earns the ship — you can actually run this, inspect it, and not get rate-limited at 2am.

Skeptic
45/100 · skip

Terms of service violations are a real concern here. Most apps explicitly prohibit automated access through their private APIs, and companies like LinkedIn and Instagram have sued over exactly this pattern. The MITM cert requirement also opens a broad attack surface. Wait for a clearer legal stance before building production systems on this.

75/100 · ship

Direct competitors are GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro — all of which have comparable or larger context windows and mature function-calling implementations. The specific scenario where this breaks is complex multi-tool agent chains at scale: Mistral's function-calling reliability has historically lagged OpenAI's on ambiguous schemas, and 'redesigned' doesn't mean 'proven.' What kills this in 12 months isn't a competitor — it's Meta shipping Llama 4 variants that close the benchmark gap on a fully permissive license, making the Research License restriction feel like a tax. That said, for teams who want a self-hostable, genuinely capable model that isn't Meta or tied to a closed API, this is a real option, not a consolation prize.

Futurist
80/100 · ship

The long-term story here is about AI agents needing reliable access to every app humans use. We can't wait for every SaaS to ship an official API. Tools like Kampala are how AI agents will integrate with the existing software ecosystem for the next five years, until MCP-style universal interfaces catch up.

78/100 · ship

The thesis here is falsifiable: enterprises and developers will increasingly demand self-hostable frontier-class models as a compliance and cost hedge against closed API dependency, and the gap between open-weight and closed-weight capability will close fast enough to make that trade worth taking. The second-order effect that matters isn't Mistral winning on benchmarks — it's that a credible 128K open-weight model shifts negotiating leverage back toward developers and away from OpenAI and Anthropic. The function-calling overhaul is riding the agentic workflow trend, which is currently on-time, not early; the infrastructure for multi-step tool use is being built right now and Mistral needs this release to be table stakes. The future state where this is infrastructure is a European enterprise stack where sovereignty requirements make closed-API LLMs non-starters — and that market is real.

Creator
80/100 · ship

For social media automation and cross-platform content workflows this is a game-changer. Building automations for platforms with limited or expensive APIs has always required fragile browser scraping — having a stable API layer extracted from the real app traffic is a much better foundation.

No panel take
Founder
No panel take
55/100 · skip

The buyer here is split between research teams who self-host under the Research License and pay nothing, and production API users on La Plateforme — and that bifurcation is a business model problem. The Research License is not a commercial license, which means any serious production deployment either routes through La Plateforme (where Mistral competes on price with OpenAI and Anthropic with no obvious margin advantage) or triggers licensing conversations. The moat isn't the model — open weights by definition have no moat — it's the API platform and the European data residency story, but neither is clearly articulated here. When underlying model costs drop another 10x, the La Plateforme usage business gets squeezed; the product survives only if Mistral wins the enterprise data-sovereignty wedge hard and fast, and I don't see the distribution strategy that makes that happen.

Weekly AI Tool Verdicts

Get the next comparison in your inbox

New AI tools ship daily. We compare them before you waste an afternoon.

Bookmarks

Loading bookmarks...

No bookmarks yet

Bookmark tools to save them for later