blog
Guides and articles
Answers to what people ask before buying inference, a sandbox or a GPU: dated prices, code you can copy and when something else suits you better.
LLM API and inference
How to serve and pay for language models: pricing, latency and the alternatives.
- Time to first token explained: how to measure TTFT and what it means for your usersWhat time to first token is, how it differs from TPOT and ITL, what drives it up, and how to measure it yourself with a Python script and p50 and p95 latency.9 November 2026, 7 min readread
- LLM hosting for business: managed API vs self-hosting vs on-prem, with real monthly costsWhat a managed LLM API, a rented GPU and an on-prem B200 server cost per month, with live prices, a break-even example and the costs no price list shows.9 November 2026, 8 min readread
- The cheapest LLM APIs in 2026: price per million tokens compared (OpenAI, Together, OpenRouter, GPU Flow)Price per million tokens on OpenAI, Together AI, OpenRouter and GPU Flow, each in its currency, with the cost of 1,000 requests and what makes a model cheap.9 November 2026, 9 min readread
- Free LLM API credits: six providers’ free tiers compared, and what our welcome credit buysThe free tiers of OpenAI, Gemini, Groq, Together AI, OpenRouter and Mistral, checked on their own pages, and what the GPU Flow welcome credit pays for.9 November 2026, 7 min readread
- vLLM vs Ollama vs a managed API: how to serve open-source models without owning a GPUvLLM, Ollama or a managed API? What each one is, what it costs and what you must operate, from their official docs, and how to self-host without buying a GPU.9 November 2026, 7 min readread
Model guides
Which open-source model to pick for each job, and why.
- Best open-source LLMs in 2026 for business use: Qwen3.8, GLM 5.3, Gemma 4 and Nemotron comparedQwen3.8, GLM 5.3, Gemma 4 and Nemotron compared on licence, languages, context and the benchmarks on their official model cards, with live API prices.9 November 2026, 7 min readread
- Qwen vs Llama vs Gemma: which open model for Spanish and European languagesWhich open model handles Spanish and European languages: what the Qwen, Llama and Gemma model cards support, the Llama 4 EU clause, and ALIA for Catalan.9 November 2026, 7 min readread
AI sandboxes and agents
Cloud machines for coding agents such as Claude Code.
GPUs and hardware
NVIDIA B200, MIG slices and what renting a GPU costs.
- NVIDIA B200 vs H100: specs, price per hour and when the upgrade pays offNVIDIA B200 vs H100 side by side: memory, bandwidth and FP8 from NVIDIA’s datasheets, hourly prices at five providers and when the upgrade pays off.9 November 2026, 8 min readread
- GPU rental in Europe: hourly prices for B200, H100 and MIG slices across providers (2026)Hourly prices to rent an NVIDIA B200 or H100 in European data centres, provider by provider, plus MIG slices, reserved vs on-demand and what disk costs.9 November 2026, 7 min readread
Privacy and compliance
GDPR, the EU AI Act and what to ask an inference provider.
Step-by-step guides
Migrating, connecting and sizing, with code you can copy.
- Migrate from the OpenAI API to an open-source alternative in 15 minutes (code included)Move from the OpenAI SDK to GPU Flow in five steps: change the base URL, pick the equivalent model and keep streaming, tools and reasoning.9 November 2026, 6 min readread
- Run Claude Code with open-source models (Qwen, GLM): setup with environment variablesPoint Claude Code at Token Factory with environment variables, or boot it ready-made in a Sandbox, with the open-source models in the catalogue.9 November 2026, 4 min readread
- AI sandbox sizing: how much CPU, RAM and disk Claude Code really needsWhich Sandbox size fits you, how much disk you need and why auto-pause keeps you from overpaying. With the three sizes and their current rates.9 November 2026, 5 min readread
Comparisons
GPU Flow against other providers, with their prices checked on their own sites.
- An OpenAI API alternative: GPU Flow vs OpenAIPrice per million tokens, audio, migration and when to stay on OpenAI, with their prices checked on their own site.9 November 2026, 8 min readread
- GPU Flow vs Modal: GPUs, sandboxes and inferenceWhat a B200, a sandbox for an agent and inference cost on each, with Modal’s prices checked on its own site.9 November 2026, 9 min readread
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