BigCode Starcoder2 15B Instruct vs IBM Granite Granite 3.1 8B Instruct: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing BigCode Starcoder2 15B Instruct (bigcode/starcoder2-15b-instruct) vs IBM Granite Granite 3.1 8B Instruct (ibm-granite/granite-3.1-8b-instruct). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
BigCode Starcoder2 15B Instruct (bigcode/starcoder2-15b-instruct) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for BigCode Starcoder2 15B Instruct: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.006/1M) or route via asynchronous Batch API for 50% off standard token rates.
IBM Granite Granite 3.1 8B Instruct (ibm-granite/granite-3.1-8b-instruct) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for IBM Granite Granite 3.1 8B Instruct: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.005/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing BigCode Starcoder2 15B Instruct (API ID: bigcode/starcoder2-15b-instruct) vs IBM Granite Granite 3.1 8B Instruct (API ID: ibm-granite/granite-3.1-8b-instruct), IBM Granite Granite 3.1 8B Instruct offers lower standard input pricing at $0.05/1M tokens ($0.15/1M output), while IBM Granite Granite 3.1 8B Instruct leads in cached prefix economics at $0.005/1M tokens (90% discount). BigCode Starcoder2 15B Instruct achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.06/$0.18 per 1M, flat 64K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.05/$0.15 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | BigCode Starcoder2 15B Instruct | IBM Granite Granite 3.1 8B Instruct | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | bigcode/starcoder2-15b-instruct | ibm-granite/granite-3.1-8b-instruct | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.06 / $0.18 | $0.05 / $0.15 | IBM Granite Granite 3.1 8B Instruct |
| Cache Read Price (per 1M) | $0.006/1M (90% Off) | $0.005/1M (90% Off) | IBM Granite Granite 3.1 8B Instruct |
| Context Window / Max Output | 64K In / 64K Out | 128K In / 64K Out | BigCode Starcoder2 15B Instruct |
| P90 First-Token / Edge Latency | 195ms | 195ms | BigCode Starcoder2 15B Instruct (-0ms) |
BigCode Starcoder2 15B Instruct (bigcode/starcoder2-15b-instruct): OpenRouter gateway-synced model at $0.06/1M input, $0.18/1M output, $0.006/1M cached input (64K context window).
IBM Granite Granite 3.1 8B Instruct (ibm-granite/granite-3.1-8b-instruct): OpenRouter gateway-synced model at $0.05/1M input, $0.15/1M output, $0.005/1M cached input (128K context window).
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 BigCode Starcoder2 15B Instruct to IBM Granite Granite 3.1 8B Instruct
IBM Granite Granite 3.1 8B Instruct (ibm-granite/granite-3.1-8b-instruct): OpenRouter gateway-synced model at $0.05/1M input, $0.15/1M output, $0.005/1M cached input (128K context window). Verified P90 latency of 195ms.