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IBM Granite 4.1 8B API pricing

1 provider serves IBM Granite 4.1 8B. IBM Granite 4.1 8B is an open-weight model (Apache-2.0) with 8.8B total parameters, up to 131K context. Prices below are per 1M tokens, cheapest input first (self-hosting math further down).

Refreshed 2026-08-23 · list prices from provider APIs
Input floor $0.050/1M at OpenRouter Output floor $0.100/1M at OpenRouter Find your workload winner →
Provider Input $/1M Output $/1M Cache read $/1M Context
OpenRouter marketplace quote $0.050 $0.100output floor $0.050 131K Use

The cheapest way to run IBM Granite 4.1 8B

On an illustrative 70M-input / 30M-output monthly workload, today's lowest listed cost is roughly $6.50/month, at OpenRouter. Input-heavy, output-heavy and cache-heavy workloads can produce different winners. Use the live mix calculator below rather than combining floors from two different providers. On output-token cost alone, a busy self-hosted deployment can work out cheaper (~$0.016/1M output on V100). See the math below. Run your own numbers in the breakeven calculator, or read the breakeven math.

Your actual monthly cost

Uses today's list prices

Cache read uses the listed cache rate where available; otherwise it falls back to normal input price. Batch, write-cache, volume and negotiated discounts are excluded.

Or run it yourself: IBM Granite 4.1 8B self-hosting economics

IBM Granite 4.1 8B is open-weight (Apache-2.0), so the API price above competes with the GPU-hour market. 8.8B total parameters needs roughly 13 GB VRAM at FP8 or 7 GB at INT4, KV-cache headroom included.

GPU that fits (FP8, single card)VRAMFrom $/hrCheapest at
V100 32 GB $0.022marketplace Vast.ai Rent
RTX 3090 24 GB $0.068marketplace Vast.ai Rent
RTX 5080 16 GB $0.102marketplace Vast.ai Rent
RTX 4090 24 GB $0.134marketplace Vast.ai Rent
RTX A5000 24 GB $0.160community RunPod Rent
RTX A4000 16 GB $0.170community RunPod Rent
Breakeven estimate: a well-batched vLLM deployment on one V100 ($0.022/hr) at ~767 aggregate tok/s and 50% utilization works out to roughly $0.016 per 1M output tokens, versus $0.100 via the cheapest output-token API (OpenRouter). Self-hosting wins on cost if you can keep the GPU busy. Planning estimate: throughput varies with hardware, quantization, batch size and context. Tune it in the calculator.

FAQ

What is the cheapest API for IBM Granite 4.1 8B?

As of 2026-08-23, the lowest input price for IBM Granite 4.1 8B is OpenRouter at $0.050 per 1M input tokens. The lowest output price is OpenRouter at $0.100 per 1M output tokens. The cheapest provider for a real workload depends on its input/output mix.

How much VRAM do you need to self-host IBM Granite 4.1 8B?

IBM Granite 4.1 8B has 8.8B parameters, so plan for roughly 13 GB of VRAM at FP8 or 7 GB at INT4/AWQ, KV-cache headroom included. A single V100 (32 GB) fits it.

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