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Alternatives · 2026

The best PromptTools alternatives

The rest of Best Prompt Engineering Tools, in this site's order: each with what it costs, where it runs and its record score.

1
Vellum

Vellum suits individuals looking for an AI assistant to handle personal tasks across files, calendars, email, code, and computer controls.

AndroidiPhone & iPadWeb+5 $30 a month Record6.4 Visit
2
W&B Weave

Weave suits teams building or operating production AI agents that need tracing, evaluations, interaction monitoring, or prompt comparisons.

iPhone & iPadWebWindows+4 $60 a month Record6.2 Visit
3
DeepEval

DeepEval suits developers building repeatable evaluations for AI systems, especially those running tests in Python or CI/CD.

WebWindowsMac+3 $200 a month Record6.0 Visit
4
Langfuse

Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools.

WebLinuxAPI+1 $29 a month Record5.7 Visit
5
Agenta

Agenta suits teams that want to create and operate AI agents across work tools, with cloud or self-hosted deployment options.

WebAPISelf-hosted $29 a month Record5.5 Visit
6
LangSmith

LangSmith suits teams developing AI agents that need evaluation, prompt tools, tracing, and production monitoring.

WebWindowsMac+3 $39 usage-based Record5.3 Visit
7
Maxim AI

It is designed for cross-functional AI teams, including product managers who want to define and analyze evaluations without code and developers who…

WebAPISelf-hosted $29 a month Record5.3 Visit
8
Promptfoo

Promptfoo is for developers and enterprises building AI applications who need prompt evaluation or red-team testing.

WebWindowsMac+3 Free plan Record5.3 Visit
9
Braintrust

Braintrust is intended for teams running AI agents in production, from early-stage projects to enterprise deployments.

WebAPISelf-hosted $249 a month Record5.0 Visit
10
Laminar

Laminar suits teams building AI agents that need to trace model and tool activity, investigate runs, or evaluate changes against datasets.

WebAPISelf-hosted $30 a month Record4.8 Visit
11 APISelf-hosted Free plan Record4.8 Visit
12
Giskard

It suits teams assessing conversational AI agents for safety and quality issues before production.

WebLinuxAPI+1 Free plan Record4.7 Visit
13
PromptLayer

PromptLayer suits engineers and domain experts who need to manage prompts, evaluate changes, and observe AI product activity together.

WebAPISelf-hosted $49 a month Record4.7 Visit
14
ProofHound

ProofHound suits operations, risk, analyst, and engineering teams managing critical classification workflows.

WebAPISelf-hosted $29 a month Record4.7 Visit
15
ChainForge

ChainForge suits people comparing prompts and language model responses, including those who want to score and plot results.

WebSelf-hosted Free plan Record4.5 Visit
16
Galileo

Galileo is designed for engineers, product managers, and subject matter experts building AI applications.

WebAPISelf-hosted $100 a month, billed yearly Record4.5 Visit
17
Arize Phoenix

Phoenix suits teams that need to inspect AI application traces and compare evaluation results across versions.

WebAPISelf-hosted Free plan Record4.4 Visit
18
HoneyHive

It suits AI platform teams, AI engineers, domain experts, and risk and governance teams that need production agent visibility.

WebAPISelf-hosted Free plan Record4.4 Visit
19
MLflow Model Registry

The registry suits solo data scientists and large machine-learning platform teams that need version tracking and lifecycle workflows.

WebLinuxAPI+1 Free plan Record4.4 Visit
20 LinuxSelf-hosted Free plan Record4.3 Visit
21 APISelf-hosted Free plan Record4.1 Visit
22 Web — Record2.5 Visit
23 Web — Record2.5 Visit
24 Web — Record2.5 Visit