Diffblue AgentsvsHive
Generated from the two spec rows. Green marks the better value where a spec has a clear direction. Everything else is just different.
Diffblue Agents
Diffblue · Agent harness
Panel
5.82 spec wins
- Reliability
- 5.8
- Usefulness
- 6.0
- Cost
- 4.7
- Longevity
- 6.5
“It writes Java unit tests for money, a job previously held by whichever intern arrived last.”
Hive
tt-a1i · Agent harness
Panel
5.53 spec wins
- Reliability
- 5.5
- Usefulness
- 6.2
- Cost
- 5.8
- Longevity
- 4.7
“There is a paired-phone remote mode, so you can now be the bottleneck from anywhere in the building.”
Spec by spec
| Spec | Diffblue Agents | Hive |
|---|---|---|
| Architecture | ||
| Category | Agent harness | Agent harness |
| Runs | local | local |
| Platforms | macos, linux, windows | macos, linux, windows, web |
| Context window | not documented | not documented |
| Protocols | ||
| MCP client | No | No |
| MCP server | No | No |
| Capabilities | ||
| Runs terminal commands | Yes | Yes |
| Multi-file edits | Yes | YesFiles are changed by the CLI agents Hive runs as PTY processes, not by Hive itself. |
| Git operations | YesAgents commits verified output and rolls back failed partitions. | No |
| Browser control | No | No |
| Sandboxed execution | No | No |
| Multi-agent orchestration | No | Yes |
| Headless / CI mode | Yes | No |
| Models | ||
| Backbone | any | Claude Code, Codex, Gemini CLI, OpenCode, Qwen, Hermes |
| Bring your own model | YesDiffblue Agents runs on top of a supported coding agent platform you bring, and Diffblue's pricing page names GitHub Copilot CLI and Claude Code. | Yes |
| Local models | No | No |
| Cost | ||
| Pricing model | usage | byok |
| Starts at | $1500/mo | $0/mo |
| Free tier | No | Yes |
| Bring your own key | YesYou supply and pay for the underlying coding agent platform separately. | Yes |
| Openness | ||
| Open source | No | No |
| License | proprietary | BUSL-1.1 |
| GitHub stars | n/a | 557 |
Which one would each critic pick
| Critic | Diffblue Agents | Hive | Pick |
|---|---|---|---|
| El Juez | — | — | not enough reviews |
| El Amigo | 6.0 | 6.0 | no preference |
| El Crítico | 5.3 | 5.0 | Diffblue Agents — It runs on top of a coding agent platform you supply, so its behaviour depends on a third-party tool that changes on somebody else's schedule. |
| El Profesor | 6.3 | 5.8 | Diffblue Agents — Acceptance is defined as compiling, passing and adding coverage, and the billing unit is net new covered lines, which measures reach rather than correctness. |
| La Inversora | 7.0 | 5.8 | Diffblue Agents — From $1,500 for 5,000 net new lines, an effective thirty cents a line, which is one of the few products here charging for delivered output rather than access. |
| La Jefa | 5.5 | 4.8 | Diffblue Agents — There is no seat price and no free tier, so evaluating this starts at a four-figure commitment, and it covers two languages out of the many we ship. |
| El Hacker | 4.5 | 6.0 | Hive — It went from Apache-2.0 to BUSL-1.1 at an alpha release, so what I install now is source-available with a five-year wait before the licence becomes an open one. |
Picks are derived from each critic's own scores. Humans vote on matchups on the duels page.