Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
simstudioai
/
sim
Public
Notifications
You must be signed in to change notification settings
Fork
3.8k
Star
29.7k
Code
Issues
120
Pull requests
234
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Security and quality
Insights
feat(workflows): add model fallbacks to Agent, Evaluator, and Router
- #7972
#7972
Merged
icecrasher321
merged 17 commits into
staging
simstudioai/sim:staging
from
feat/agent-fallback-models
simstudioai/sim:feat/agent-fallback-models
Copy head branch name to clipboard
Sep 18, 2026
Conversation
Commits
17
(17)
Checks
Files changed
Merged
feat(workflows): add model fallbacks to Agent, Evaluator, and Router
#7972
icecrasher321
merged 17 commits into
staging
simstudioai/sim:staging
from
feat/agent-fallback-models
simstudioai/sim:feat/agent-fallback-models
Copy head branch name to clipboard
Commits
Commits on Sep 18, 2026
feat(workflow-types): register the model-fallback-list subblock type
Show description for 3f65674
mzxchandra
committed
3f65674
View commit details
Copy full SHA for 3f65674
Browse repository at this point
feat(agent): add the fallbackModels subblock and its shared helpers
Show description for 425bc7d
mzxchandra
committed
425bc7d
View commit details
Copy full SHA for 425bc7d
Browse repository at this point
feat(executor): walk fallback models when the agent's provider request fails
Show description for 2b93caa
mzxchandra
committed
2b93caa
View commit details
Copy full SHA for 2b93caa
Browse repository at this point
feat(workflows): validate, sanitize, index, and label fallback model rows
Show description for b6cc5e0
mzxchandra
committed
b6cc5e0
View commit details
Copy full SHA for b6cc5e0
Browse repository at this point
feat(editor): fallback models list on the Agent block
Show description for 259e391
mzxchandra
committed
259e391
View commit details
Copy full SHA for 259e391
Browse repository at this point
docs(agent): document fallback models and their interplay with retry
mzxchandra
committed
89db473
View commit details
Copy full SHA for 89db473
Browse repository at this point
Merge remote-tracking branch 'origin/staging' into feat/agent-fallback-models
mzxchandra
committed
54b8fb6
View commit details
Copy full SHA for 54b8fb6
Browse repository at this point
fix(agent): harden fallback models after pre-landing review
Show description for c77f940
mzxchandra
committed
c77f940
View commit details
Copy full SHA for c77f940
Browse repository at this point
fix(agent): retry the selected model before falling back
Show description for 0b35cd7
mzxchandra
committed
0b35cd7
View commit details
Copy full SHA for 0b35cd7
Browse repository at this point
Merge remote-tracking branch 'origin/staging' into feat/agent-fallback-models
mzxchandra
committed
dbf585c
View commit details
Copy full SHA for dbf585c
Browse repository at this point
fix(agent): address the pre-landing review of retry-then-fallback
Show description for 93abc4c
mzxchandra
committed
93abc4c
View commit details
Copy full SHA for 93abc4c
Browse repository at this point
fix(agent): close the adversarial review's fallback findings
Show description for c14bd4d
mzxchandra
committed
c14bd4d
View commit details
Copy full SHA for c14bd4d
Browse repository at this point
docs(agent): name the fallback row cap and the empty tuning field
mzxchandra
committed
c5c1422
View commit details
Copy full SHA for c5c1422
Browse repository at this point
fix(agent): address the first review round on the fallback models PR
Show description for a45ac65
mzxchandra
committed
a45ac65
View commit details
Copy full SHA for a45ac65
Browse repository at this point
Merge remote-tracking branch 'origin/staging' into feat/agent-fallback-models
mzxchandra
committed
b4481fe
View commit details
Copy full SHA for b4481fe
Browse repository at this point
docs(agent): say which side of a fallback the catalog may not know
Show description for 2728156
mzxchandra
committed
2728156
View commit details
Copy full SHA for 2728156
Browse repository at this point
feat(workflows): share model fallbacks across LLM blocks
icecrasher321
committed
0d90116
View commit details
Copy full SHA for 0d90116
Browse repository at this point
You can’t perform that action at this time.