SWE-1 Models by Cognition

CognitionProprietaryCodingAgents

1 model2026

Last refreshed 2026-07-08. Next refresh: weekly.

Details

ResearcherCognition

LicenseProprietary

Commercial useCommercial use: conditional

Models1

Released2026

Capabilities

ReasoningAll models

JSON / Tool useAll models

Code ExecutionAll models

Links

Website

About

Cognition's SWE-1 coding model family for agentic software-engineering work, available through Devin product surfaces and optimized for long-horizon asynchronous coding tasks. The current first-party documented version is SWE-1.7, launched July 8, 2026, trained from the Kimi K2.7-Code base with additional RL.

Decision facts

Best fit: codingagentsreasoning
Capability starting point: SWE-1 with reasoning and JSON / Tool use
Lowest tracked input: Not tracked
Closest related family: Agents-A1

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

1 in view

SWE-1Current

Use when the workload needs coding, reasoning, and JSON / Tool use.

2026-07codingreasoningJSON / Tool use

Current SWE-1 variants with use-when guidance and lifecycle status
Model	Use when	Released	Signals	Status
SWE-1	Use when the workload needs coding, reasoning, and JSON / Tool use.	2026-07	codingreasoningJSON / Tool use	Current

Release Timeline

1 release group

2026-07

1 current

SWE-1

codingreasoningJSON / Tool use

Current

Specifications(1 models)

SWE-1 model specifications comparison
Model	Released	Reasoning	JSON / Tool use	Code Exec
SWE-1	2026-07	Yes	Yes	Yes

Available From(1 provider)

Devin

Models(1)