Deep Infra vs xAI: Token Pricing, Speed & Intelligence

Full comparison of Deep Infra and xAI — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Updated July 2026.

Deep Infra

The cheapest inference API for open-weight models — Llama, Mistral, and more

Deep Infra is an inference-focused API provider specialising in open-weight models at extremely competitive prices. Consistently among the cheapest providers for Llama 3, Mistral, and DeepSeek models, making it the go-to choice for cost-sensitive production inference.

Cost-sensitive inferenceLlama 3 productionDeepSeek hostingHigh-volume batch processing

Open-weight hostHosts open weights

xAI

Grok 3 — Elon Musk's frontier AI with real-time web access

xAI is Elon Musk's AI company, building the Grok model family. Grok 3 is a frontier-tier model with a 131K context window and strong vision capabilities. Grok 3 Mini is a cost-efficient reasoning model. The API is available via the xAI platform with competitive frontier pricing.

Real-time dataReasoningVisionChatResearch

Proprietary models

Key metrics

Cheapest input ($/1M)

—

Cheapest output ($/1M)

—

Peak throughput

—

Best latency (TTFT)

—

Intelligence score

—

Context window

—

Live token pricing

Strengths & weaknesses

Deep Infra

Consistently lowest prices for open-weight models

Wide model catalog including Llama, Mistral, DeepSeek

OpenAI-compatible API

Fast cold start times

No rate limits on most models

No proprietary models — open-weight only

Less enterprise support than larger providers

Smaller ecosystem than Together AI or Fireworks

xAI

Real-time web access and X/Twitter data integration

Grok 3 Mini is a cost-efficient reasoning model

Strong vision capabilities on Grok 3

Competitive frontier pricing

OpenAI-compatible API

Smaller ecosystem and fewer integrations than OpenAI

No open-weight models

Limited model selection compared to frontier competitors

Key differentiators

Deep Infra

The most price-competitive inference API for open-weight models — often 30–50% cheaper than comparable providers for the same Llama or Mistral model.

xAI

Unique access to real-time X/Twitter data and web search — the only frontier model with native social media grounding.

Frequently asked questions

Deep Infra FAQs

How cheap is Deep Infra compared to other providers?

Deep Infra is consistently among the cheapest providers for open-weight models. For example, Llama 3.1 8B is available at $0.02–0.05/1M tokens, and Llama 3.3 70B at around $0.10/1M tokens — often 30–50% below comparable providers.

What models does Deep Infra support?

Deep Infra hosts a wide range of open-weight models including the full Llama 3.x family, Mistral, Mixtral, DeepSeek V3 and R1, Qwen, and many others. The catalog is updated frequently as new models are released.

Is Deep Infra OpenAI-compatible?

Yes. Deep Infra provides an OpenAI-compatible API, so you can use the OpenAI SDK by pointing it at the Deep Infra endpoint. This makes migration straightforward.

xAI FAQs

What is Grok and how much does it cost?

Grok is xAI's family of frontier LLMs. Grok 3 costs $3/1M input and $15/1M output tokens. Grok 3 Mini is a cheaper reasoning model at lower price points. Both support vision and function calling.

Does Grok have real-time web access?

Yes. Grok models can access real-time web content and X/Twitter data, making them uniquely suited for applications that need current information beyond a training cutoff.

How does Grok 3 compare to GPT-4o?

Grok 3 is competitive with GPT-4o on most benchmarks with strong vision capabilities. Its main differentiator is real-time web and X/Twitter data access. Pricing is similar to GPT-4o.

Provider resources

Deep Infra

Provider page Website Pricing Docs

xAI

Provider page Website Pricing Docs

Deep Infra — The cheapest inference API for open-weight models — Llama, Mistral, and more

The most price-competitive inference API for open-weight models — often 30–50% cheaper than comparable providers for the same Llama or Mistral model.

xAI — Grok 3 — Elon Musk's frontier AI with real-time web access

Unique access to real-time X/Twitter data and web search — the only frontier model with native social media grounding.

Key strengths compared

Deep Infra

▸Consistently lowest prices for open-weight models
▸Wide model catalog including Llama, Mistral, DeepSeek
▸OpenAI-compatible API

xAI

▸Real-time web access and X/Twitter data integration
▸Grok 3 Mini is a cost-efficient reasoning model
▸Strong vision capabilities on Grok 3

Provider category context

Deep Infra is a inference api, founded in 2023. xAI is a frontier lab, founded in 2023. Deep Infra as an inference API provider hosts open-weight models — typically offering lower prices for equivalent capability tiers. xAI as a frontier lab trains and serves proprietary models with capabilities not available elsewhere.

How to choose between them

Choose Deep Infra if you need consistently lowest prices for open-weight models. Choose xAI if you need real-time web access and x/twitter data integration. For high-volume production workloads, run a cost comparison using the token pricing table above with your actual prompt/completion token ratio — the cheapest provider depends heavily on your input-to-output token ratio.