Unverified50% confidenceReleaseExact time
SiliconFlow has launched the SIM 4.0.29 BA4B model with free API access; the model natively supports a 256K context window and specializes in complex engineering and long-horizon agent tasks.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/8/2026
First Seen
Valid until: 1/6/2027
Sources
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