Good Morning, Monday October 5, 2026 · AI Radar Daily Brief
Breaking 1
Models 3
Pricing 3
Sdks 5
Frameworks 2
Ecosystem 0
Providers 0
News 1
Today’s Top Alert
Critical
Tool calling schema parameter renamed (tool_input to input)
Who is affected: Anyone using tool_use with Claude 3+ via Python SDK
Estimated fix time: ~10 min
Breaking Changes & Impact Alerts
1
Critical
Tool calling schema parameter renamed (tool_input to input)
The tool_input parameter in tool results was renamed to input. Old parameter is silently ignored in SDK >= 0.28.
Affected: Anyone using tool_use with Claude 3+ via Python SDK
Est. Fix: ~10 mins
Effective: 2026-07-15
Risk if Ignored:
Silent failure in production after SDK v0.28
Migration Steps:
1. Search codebase for tool_input
2. Replace with input
3. Run test suite
4. Upgrade SDK to >= 0.28
2. Replace with input
3. Run test suite
4. Upgrade SDK to >= 0.28
Before
{"type": "tool_result", "tool_use_id": "id", "tool_input": {...}}
After
{"type": "tool_result", "tool_use_id": "id", "input": {...}}
New & Updated AI Models
3
Anthropic
Claude Sonnet 5.5 (EU)
Context: 1,000,000
Tools: Yes
Vision: Yes
Anthropic
Claude Sonnet 5.5 (US)
Context: 1,000,000
Tools: Yes
Vision: Yes
Deepseek
DeepSeek V4.1 Flash Fast
Context: 1,048,576
Tools: Yes
Vision: Yes
Model Pricing Movements
3
Drop -99.0%
deepseek/deepseek-v4-1-flash @ openrouter
$0.3000 / Mtok →
$0.0030 / Mtok
Drop -99.0%
deepseek/deepseek-v4-1-flash @ openrouter
$0.3000 / Mtok →
$0.0030 / Mtok
Drop -85.0%
deepseek/deepseek/deepseek-flash-latest @ openrouter
$0.0200 / Mtok →
$0.0030 / Mtok
SDK Releases & Package Updates
5
GITHUB
microsoft/semantic-kernel v1.80.1
Previous: v1.80.1
Changelog →
GITHUB
deepset-ai/haystack v3.3.0
Previous: v3.3.0
Changelog →
GITHUB
FlowiseAI/Flowise v3.1.4
Previous: v3.1.4
Changelog →
AI Framework Releases
2
Framework
v0.40.0
Framework