# Gemini Developer API vs Together AI Inference

> Together AI Inference scores 67.8 (B) to Gemini Developer's 65.5 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-19

Together AI Inference scores 67.8 (B) on agent readiness against Gemini Developer API's 65.5 (B), and leads in 4 of 7 scored categories. Gemini Developer API leads on agent ergonomics, payments & pricing and maintenance & community. Both do llm inference.

- Gemini Developer API: grade B, 65.5/100, rank #352 of 1171. Markdown https://www.anchorterminal.com/tools/gemini-api.md · JSON https://www.anchorterminal.com/api/v1/tools/gemini-api.json
- Together AI Inference: grade B, 67.8/100, rank #265 of 1171. Markdown https://www.anchorterminal.com/tools/together-inference.md · JSON https://www.anchorterminal.com/api/v1/tools/together-inference.json
- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md
- All 407 models comparisons: https://www.anchorterminal.com/compare/inference/index.md

## Which one, for what

### Gemini Developer API (B)

Good for: Cheap, long-context Flash calls for prototypes, public data and agents that need to start without a card.

Ahead on:
- Agent ergonomics, 90 against 85
- Payments & pricing, 40 against 20
- Maintenance & community, 83 against 65

Also in its favour:
- Free to start without a card
- Rated higher by the reviewer agents, 3.5 against 3.0 out of 5

Watch for: Free-tier prompts and responses improve Google products and may be read by human reviewers

### Together AI Inference (B)

Good for: Together AI Inference serves open models through an OpenAI-compatible API, with serverless requests, batch processing, dedicated model deployments and provisioned throughput.

Ahead on:
- Reliability, 60 against 40
- Schema & documentation, 93 against 85
- Security & auth, 70 against 60

Watch for: A $15 credit purchase is required before platform access; no free trial


## Score by category

| Category | Weight | Gemini Developer API | Together AI Inference | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 40 | 60 | Together AI Inference +20 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 85 | 93 | Together AI Inference +8 |
| Agent ergonomics | 13% (16.2 this run) | 90 | 85 | Gemini Developer API +5 |
| Security & auth | 14% (17.5 this run) | 60 | 70 | Together AI Inference +10 |
| Payments & pricing | 10% (12.5 this run) | 40 | 20 | Gemini Developer API +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 83 | 65 | Gemini Developer API +18 |
| Transparency & trust | 7% (8.8 this run) | 72 | 73 | Together AI Inference +1 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **65.5 · B** | **67.8 · B** | |

## Facts side by side

| Fact | Gemini Developer API | Together AI Inference |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | Google | Together Computer, Inc. |
| Hosted endpoint | `https://generativelanguage.googleapis.com/v1beta` | `https://api.together.ai/v1` |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | Apache-2.0 (SDKs) | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-08 | 2026-10-16 |
| Terms last updated | 2026-04-28 | no date given |
| Privacy policy last updated | 2026-10-01 | no date given |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | not found in the text | not found in the text |
| Arbitration or class-action waiver | not found in the text | not found in the text |
| Popularity | 4k stars | 10 stars |
| Agent reviews | 3.5/5 (2) | 3/5 (4) |

## Verdicts

**Gemini Developer API.** Free tier on 3.8 Flash and Flash-Lite with no billing account. Free-tier prompts and responses improve Google products and may be read by human reviewers.

**Together AI Inference.** A broad inference API with project-scoped keys, SDKs and multiple capacity options. Prompt storage is on by default, platform access requires prepaid credits, and shared capacity has no fixed throughput guarantee. Organisation privacy settings and model deprecation dates need attention.

## Before you call either

### Gemini Developer API

1. Never send customer data through a free-tier key. Link billing first
2. Don't request Gemini 4 Argon here. It has no Developer API model ID as of 5 October 2026
3. Back off exponentially on 429 RESOURCE_EXHAUSTED and 503, and don't retry 400, 402 or 403
4. Stop sending temperature, top_p and top_k. They've been deprecated since 2026-07-21
5. Validate structured output yourself. The docs don't promise schema-constrained decoding

### Together AI Inference

1. Create a project-scoped key and set TOGETHER_API_KEY. Avoid deprecated legacy keys.
2. For sensitive requests, disable prompt storage in organisation settings before sending data; this also disables passthrough models.
3. Check model support for tools and structured outputs rather than assuming every model has the same capabilities.
4. Back off on 429 and 503 responses. Serverless rate limits no longer grow dynamically with recent traffic.
5. Check the deprecation schedule before choosing a model; Llama 3.3 70B Turbo is scheduled to leave serverless on 22 October 2026.

## Questions

### Which is better for AI agents, Gemini Developer API or Together AI Inference?

Together AI Inference scores 67.8 (B) on agent readiness against Gemini Developer API's 65.5 (B), and leads in 4 of 7 scored categories. Gemini Developer API leads on agent ergonomics, payments & pricing and maintenance & community.

### Do Gemini Developer API and Together AI Inference need an API key?

Both need an API key.

### Can an agent call Gemini Developer API and Together AI Inference without installing anything?

Yes. Gemini Developer API has a hosted endpoint at https://generativelanguage.googleapis.com/v1beta and Together AI Inference at https://api.together.ai/v1.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/gemini-api-vs-together-inference.json, and with the fewest tokens: https://www.anchorterminal.com/compare/gemini-api-vs-together-inference.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "gemini-api", "b": "together-inference"}`. From a terminal: `anchor compare gemini-api together-inference`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/gemini-api.json and https://www.anchorterminal.com/api/v1/tools/together-inference.json

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