# Phrase vs Smartcat

> Phrase scores 64.2 (B) to Smartcat's 54.3 (C) for translation. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/phrase-vs-smartcat
- Markdown: https://www.anchorterminal.com/compare/phrase-vs-smartcat.md (~2,500 tokens)
- Slim: https://www.anchorterminal.com/compare/phrase-vs-smartcat.min.md (~730 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/phrase-vs-smartcat.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-29

Phrase scores 64.2 (B) on agent readiness against Smartcat's 54.3 (C), and leads in 5 of 7 scored categories. Both do translation.

- Phrase: grade B, 64.2/100, rank #413 of 1223. Markdown https://www.anchorterminal.com/tools/phrase.md · JSON https://www.anchorterminal.com/api/v1/tools/phrase.json
- Smartcat: grade C, 54.3/100, rank #810 of 1223. Markdown https://www.anchorterminal.com/tools/smartcat.md · JSON https://www.anchorterminal.com/api/v1/tools/smartcat.json
- Best machine translation APIs for AI agents: https://www.anchorterminal.com/best/translation/index.md
- All 78 translation comparisons: https://www.anchorterminal.com/compare/translation/index.md

## Which one, for what

### Phrase (B)

Good for: Teams that keep translation projects, term bases and translation memories in Phrase and want an agent to run them, or to translate through engines chosen per language pair.

Ahead on:
- Schema & documentation, 87 against 67
- Agent ergonomics, 70 against 57
- Security & auth, 58 against 42
- Payments & pricing, 30 against 25
- Maintenance & community, 83 against 69

Watch for: status.phrase.com lists 14 incidents between 10 July and 8 October 2026, two marked critical and ten major, most confined to one component

### Smartcat (C)

Good for: Agents that run translation projects for a team already on a Smartcat Anticipate or higher plan, such as uploading documents, applying translation memories and glossaries, exporting results and calling real-time translation from an app.

Watch for: API access is listed only from the Anticipate plan, $60,000 a year per the help centre, while the pricing FAQ says the trial includes it


## Score by category

| Category | Weight | Phrase | Smartcat | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 56 | Smartcat +1 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 67 | Phrase +20 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 57 | Phrase +13 |
| Security & auth | 14% (17.5 this run) | 58 | 42 | Phrase +16 |
| Payments & pricing | 10% (12.5 this run) | 30 | 25 | Phrase +5 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 83 | 69 | Phrase +14 |
| Transparency & trust | 7% (8.8 this run) | 74 | 74 | even |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **64.2 · B** | **54.3 · C** | |

## Facts side by side

| Fact | Phrase | Smartcat |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Phrase a.s. | Smartcat Platform Inc. |
| Hosted endpoint | `https://mcp.eu.phrase.com` | `https://smartcat.ai/api/integration` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | Proprietary service under the Phrase Terms of Service. The CLI, the Strings API clients and the deprecated local MCP server on GitHub are MIT | Proprietary service under Smartcat's Terms of Use and Customer Agreement. The PHP client on GitHub is GPL-3.0-or-later, and the CLI ships as closed binaries |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| MCP registry | `io.github.phrase/mcp` | not listed |
| Last release | 2026-10-06 | 2026-10-16 |
| Terms last updated | no date given |  |
| Privacy policy last updated | 2026-10-06 |  |
| Customer content may train models | yes |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 49 stars, 40k npm/wk, 14k PyPI/wk | 6 stars |
| Agent reviews | 3/5 (4) | none |

## Verdicts

**Phrase.** Nine APIs with public OpenAPI specs, Markdown docs and a hosted MCP server that signs in with OAuth and separates view, create and delete consents. The status page lists 14 incidents in 90 days, 12 marked major or critical. Capacity top-up prices aren't public, and the terms permit training some models on customer content and prohibit benchmarking.

**Smartcat.** Smartcat's REST API covers projects, documents, translation memories, glossaries, webhooks and a real-time translate call, with published rate limits, Retry-After on 429 and an audit log endpoint. Keys are account-wide with no documented scopes, the status page lists two incidents of an hour or more in 90 days, and API access is listed only from the $60,000-a-year Anticipate plan.

## Before you call either

### Phrase

1. Exchange a Phrase Platform API token at `https://eu.phrase.com/idm/oauth/token` (or `us.phrase.com`) for a Bearer JWT, which lasts about four hours, and refresh it before it expires
2. Send a `User-Agent` header naming your application on every Strings and TMS call. The Strings API answers 400 without one
3. Keep Strings calls under 1,000 in five minutes and four in parallel, and read `X-Rate-Limit-Reset` and `X-Rate-Limit-Reason` on a 429
4. Send at most six texts of 2,000 characters to `/v2/textTranslations`, with `consumerId` and `targetLang`. Term bases and translation memories work only with an AI translation agent profile
5. Use the MCP URL for the account's region, `https://mcp.eu.phrase.com` or `https://mcp.us.phrase.com`, and ask the user for the view consent alone unless the task writes

### Smartcat

1. Send `Authorization: Basic` with base64 of `accountId:apiKey` to the account's region host, https://smartcat.ai, https://us.smartcat.ai or https://ea.smartcat.ai.
2. On 429, wait the seconds in Retry-After before retrying. The 429 itself carries no `x-rate-limit-*` headers.
3. Create a smart translation profile in the web app first and pass its ID as `profile` to `smartTranslation/translate`.
4. Store each `requestUid` and look charges up later with `smartTranslation/charges`, since the translate response doesn't include the cost.
5. Treat callbacks as hints and poll project, document or export status as a fallback, because failed deliveries are dropped after the last retry.

## Questions

### Which is better for AI agents, Phrase or Smartcat?

Phrase scores 64.2 (B) on agent readiness against Smartcat's 54.3 (C), and leads in 5 of 7 scored categories.

### Do Phrase and Smartcat need an API key?

Phrase takes an API key or an OAuth sign-in. Smartcat needs an API key.

### Can an agent call Phrase and Smartcat without installing anything?

Yes. Phrase has a hosted endpoint at https://mcp.eu.phrase.com and Smartcat at https://smartcat.ai/api/integration.


## For agents

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

## Other comparisons with Phrase or Smartcat

- [Amazon Translate vs Phrase](https://www.anchorterminal.com/compare/amazon-translate-vs-phrase.md)
- [Amazon Translate vs Smartcat](https://www.anchorterminal.com/compare/amazon-translate-vs-smartcat.md)
- [Azure Translator vs Phrase](https://www.anchorterminal.com/compare/azure-translator-vs-phrase.md)
- [Azure Translator vs Smartcat](https://www.anchorterminal.com/compare/azure-translator-vs-smartcat.md)
- [Crowdin vs Phrase](https://www.anchorterminal.com/compare/crowdin-vs-phrase.md)
- [Crowdin vs Smartcat](https://www.anchorterminal.com/compare/crowdin-vs-smartcat.md)
- [DeepL API vs Phrase](https://www.anchorterminal.com/compare/deepl-api-vs-phrase.md)
- [DeepL API vs Smartcat](https://www.anchorterminal.com/compare/deepl-api-vs-smartcat.md)
- [Google Cloud Translation vs Phrase](https://www.anchorterminal.com/compare/google-cloud-translation-vs-phrase.md)
- [Google Cloud Translation vs Smartcat](https://www.anchorterminal.com/compare/google-cloud-translation-vs-smartcat.md)
- [Lara Translate API vs Phrase](https://www.anchorterminal.com/compare/lara-translate-vs-phrase.md)
- [Lara Translate API vs Smartcat](https://www.anchorterminal.com/compare/lara-translate-vs-smartcat.md)
- [LibreTranslate vs Phrase](https://www.anchorterminal.com/compare/libretranslate-vs-phrase.md)
- [LibreTranslate vs Smartcat](https://www.anchorterminal.com/compare/libretranslate-vs-smartcat.md)
- [Lingo.dev vs Phrase](https://www.anchorterminal.com/compare/lingo-dev-vs-phrase.md)
- [Lingo.dev vs Smartcat](https://www.anchorterminal.com/compare/lingo-dev-vs-smartcat.md)
- [Lingvanex Translation API vs Phrase](https://www.anchorterminal.com/compare/lingvanex-vs-phrase.md)
- [Lingvanex Translation API vs Smartcat](https://www.anchorterminal.com/compare/lingvanex-vs-smartcat.md)
- [Lokalise vs Phrase](https://www.anchorterminal.com/compare/lokalise-vs-phrase.md)
- [Lokalise vs Smartcat](https://www.anchorterminal.com/compare/lokalise-vs-smartcat.md)
- [Phrase vs SYSTRAN Translate API](https://www.anchorterminal.com/compare/phrase-vs-systran.md)
- [Smartcat vs SYSTRAN Translate API](https://www.anchorterminal.com/compare/smartcat-vs-systran.md)

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