Xingchen Agi Xing4 0 29B A4B Free vs Thinkingmachines Inkling Small Free: Live Promos, Pricing, Hidden Fees & Latency
Xingchen Agi Xing4 0 29B A4B Free (gpt-6.1-sol) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Xingchen Agi Xing4 0 29B A4B Free: Activate ephemeral prefix caching to slash input costs by 75% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
Thinkingmachines Inkling Small Free (gpt-6.1-sol) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Thinkingmachines Inkling Small Free: Activate ephemeral prefix caching to slash input costs by 75% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Xingchen Agi Xing4 0 29B A4B Free (API ID: gpt-6.1-sol) vs Thinkingmachines Inkling Small Free (API ID: gpt-6.1-sol), Xingchen Agi Xing4 0 29B A4B Free offers lower standard input pricing at $2/1M tokens ($10/1M output), while Xingchen Agi Xing4 0 29B A4B Free leads in cached prefix economics at $0.5/1M tokens (75% discount). Thinkingmachines Inkling Small Free achieves a 120ms faster P90 time-to-first-token latency (145ms vs 265ms).
Context Cliff Alert: Prompts exceeding 272K tokens double in price from $2/$10 to $4/$15 per 1M tokens.
Context Cliff Alert: Prompts exceeding 272K tokens double in price from $2/$10 to $4/$15 per 1M tokens.
| Specification / FinOps Dimension | Xingchen Agi Xing4 0 29B A4B Free | Thinkingmachines Inkling Small Free | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | gpt-6.1-sol | gpt-6.1-sol | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $10 | $2 / $10 | Xingchen Agi Xing4 0 29B A4B Free |
| Cache Read Price (per 1M) | $0.5/1M (75% Off) | $0.5/1M (75% Off) | Xingchen Agi Xing4 0 29B A4B Free |
| Context Window / Max Output | 256K In / 128K Out | 256K In / 128K Out | Xingchen Agi Xing4 0 29B A4B Free |
| P90 First-Token / Edge Latency | 265ms | 145ms | Thinkingmachines Inkling Small Free (-120ms) |
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost.
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost.
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
☀️Switch from Xingchen Agi Xing4 0 29B A4B Free to Thinkingmachines Inkling Small Free
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost. Verified P90 latency of 145ms.