Granite 4 H Medium vs Reka Flash
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
Granite 4 H Medium is 76.1% cheaper on blended cost ($0.262 vs $1.10/Mtok)
| Specification |
by IBM
|
by Reka
|
|---|---|---|
| Overview | ||
| Status | Current mid tier Open weights | Current mid tier |
| Released | Oct 19, 2025 | Jun 1, 2025 |
| Pricing per million tokens | ||
| Input | $0.150/Mtok | $0.800/Mtok |
| Output | $0.600/Mtok | $2.00/Mtok |
| Blended avg | $0.262/Mtok | $1.10/Mtok |
| Specifications | ||
| Context window | 128K tokens | 128K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
text
|
textimagevideoaudio
|
| Benchmarks sources: IBM model card / LMSYS Chatbot Arena (2025-07-15 archive), Reka tech report | ||
| HumanEval | 72 vendor | 72 vendor |
| GPQA Diamond | 35 vendor | — |
| SWE-Bench Verified | 15 vendor | — |
| Humanity's Last Exam | 7 vendor | — |
| ARC-AGI 2 | 5 vendor | — |
| AIME 2025 | 28 vendor | — |
| MMMLU | 68 vendor | — |
| BFCL | 48 vendor | — |
| MATH 500 | 50 vendor | — |
| Independent composite scores each on its own scale — not part of the average above | ||
| LMSYS Chatbot Arena | — | 1220.6 ELO |
| Providers | ||
| Available from |
IBM — $0.150/$0.600/Mtok
|
Reka — $0.800/$2.00/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | Granite 4 H Medium | Reka Flash | Savings |
|---|---|---|---|
| 1M tokens | $0.26 | $1.1 | $0.84 (76.4%) |
| 10M tokens | $2.62 | $11 | $8.38 (76.2%) |
| 100M tokens | $26.25 | $110 | $83.75 (76.1%) |
| 1000M tokens | $262.5 | $1100 | $837.5 (76.1%) |
When to pick which
distilled from the pricing and spec data above
Pick Granite 4 H Medium if…
- cost dominates: $0.262/Mtok blended vs $1.10 — 76.1% less on the same 50/50 token mix
- you want open weights — self-host it, fine-tune it, or exit the API entirely; Reka Flash is closed
Pick Reka Flash if…
- this pairing gives Reka Flash no edge on price, context, cache discount, or measured performance — pick it only for qualitative fit (ecosystem, compliance, model behavior on your prompts)
Try Granite 4 H Medium on IBM
The cheaper option here — Granite 4 H Medium costs $0.262/Mtok blended on IBM.
Summary
Granite 4 H Medium by IBM costs $0.150/Mtok input and $0.600/Mtok output, with a 128K-token context window. It supports text input.
Reka Flash by Reka costs $0.800/Mtok input and $2.00/Mtok output, with a 128K-token context window. It supports text, image, video, audio input.
On a blended cost basis, Granite 4 H Medium is 76.1% cheaper than Reka Flash.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.
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