# Together AI vs TypeSafe AI

> TypeSafe AI's Jev returns typed decisions with calibrated confidence in about 100ms and generates no text. Together hosts the text models Jev can route and guard.

Canonical: https://www.subconscious.dev/compare/together-ai-vs-typesafe-ai · By The Subconscious Team · Updated September 30, 2026

## How they compare

TypeSafe AI is a different kind of model. Jev takes a developer-defined answer space, built from primitives like Choice, Score and a true-or-false type, and returns a typed answer plus calibrated probabilities in one parallel pass. Most calls finish in about 100ms at a fraction of an LLM call's cost, and outputs cannot fall outside the schema. It does not generate text or code. Together hosts general open LLMs across thirty-plus text models, and those do the generating, reasoning and tool use that Jev leaves out.

The useful pairing is Jev as the decision layer around models hosted on Together. Jev can route a prompt to the right model, flag a jailbreak attempt, grade a tool call or classify ticket intent, then hand generation work to an LLM only when needed. Its calibrated confidence lets software act when sure and escalate when not. The trade-offs: Jev is in early access with text-only input and a new programming model to learn. Together is the mature platform here, with SLAs, fine-tuning and batch.

## What each one does

### Together AI

Together AI is the broadest open-model platform in the category. One bill covers per-token serverless inference, batch at up to 50% off, provisioned throughput with a 99% SLA, dedicated deployments, raw GPU clusters, managed fine-tuning and code sandboxes for agents. The text catalog runs past thirty open models, including DeepSeek V4, Kimi K3, GLM 5.2, Qwen 3.8 and MiniMax M3, plus image, video, speech and embedding models. Token prices sit at parity with Fireworks and Baseten.

### TypeSafe AI

TypeSafe AI builds decision models instead of text generators. Founder Diogo Almeida co-invented RLHF and InstructGPT at OpenAI and later worked at Google Brain. After two years in stealth the company released its first System One Model, Jev, in early access. The name nods to Kahneman's fast System 1 thinking, and the model is built for machines to call, not people to chat with.

## Which is best, and when

### Choose Together AI for

- Text and code generation on open models
- Fine-tuning a generator on proprietary data
- Batch generation jobs at up to 50% off

### Choose TypeSafe AI for

- Routing prompts between models in about 100ms
- Guardrails that grade tool calls with calibrated confidence
- Schema-safe classification inside workflows

## At a glance

| Attribute | Together AI | TypeSafe AI |
|---|---|---|
| Model access | Open weights | Decision models |
| Flagship models | Kimi K3, DeepSeek V4, GLM 5.2, Qwen 3.8 | Jev, jev-1.13 |
| Speed | 0.99s TTFT on DeepSeek V4 Pro | ~100ms per call |
| Price | Parity with Fireworks and Baseten | A fraction of an LLM call |
| Customization | LoRA and full SFT; RL in beta | - |
| Deployment | Serverless, dedicated, GPU clusters | Early-access API |
| Long context | 512K on DeepSeek V4 Pro | - |

## FAQ

### What is the difference between Together AI and TypeSafe AI?

TypeSafe AI's Jev returns typed decisions with calibrated confidence in about 100ms and generates no text. Together hosts the text models Jev can route and guard.

### When should I choose Together AI over TypeSafe AI?

Text and code generation on open models; Fine-tuning a generator on proprietary data; Batch generation jobs at up to 50% off.

### When should I choose TypeSafe AI over Together AI?

Routing prompts between models in about 100ms; Guardrails that grade tool calls with calibrated confidence; Schema-safe classification inside workflows.

### Is Together AI or TypeSafe AI cheaper?

Together AI: Parity with Fireworks and Baseten. TypeSafe AI: A fraction of an LLM call. The cheaper choice depends on the model and workload.

## Running long-horizon agents?

If your agents run past 200K tokens, compare both against Subconscious: [Subconscious vs Together AI](https://www.subconscious.dev/compare/subconscious-vs-together-ai.md), [Subconscious vs TypeSafe AI](https://www.subconscious.dev/compare/subconscious-vs-typesafe-ai.md).

Full profiles: [Together AI](https://www.subconscious.dev/providers/together-ai.md), [TypeSafe AI](https://www.subconscious.dev/providers/typesafe-ai.md).