Granite 4.2 8B vs Reka Edge

Reka Edge costs 2.0x less per output token than Granite 4.2 8B ($0.10 vs $0.20 per million). Updated October 23, 2026; no benchmark has tested both models yet.

Replace Granite 4.2 8B Replace Reka Edge

Granite 4.2 8BIBM Granite

Coding: No data
Overall: No data
Output $/M: $0.20

Reka EdgeReka

Coding: No data
Overall: No data
Output $/M: $0.10

vs $0.20 vs $0.10 per 1M output tokens. Reka Edge is 2.0x cheaper.

Granite 4.2 8B or Reka Edge: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Granite 4.2 8B for a larger context window (131K against 16K tokens).

Model AGranite 4.2 8BIBM GraniteNot benchmarkedNo coding benchmarkNo cost per solved task Model BReka EdgeRekaNot benchmarkedNo coding benchmarkNo cost per solved task

No benchmark has tested both yet. Granite 4.2 8B has results on AA Coding Index, SciCode and LMArena Text: coding; Reka Edge has none yet. Compare them on price and context instead.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Granite 4.2 8B has a AA Intelligence Index result, 11.1.
Directional only
Agentic work
AA Agentic Index
No call
Only Granite 4.2 8B has a AA Agentic Index result, 1.3.
Directional only
Long documents
Listed context window
Granite 4.2 8B
Granite 4.2 8B takes 131K tokens against 16K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Reka Edge
Granite 4.2 8B $0.0002, Reka Edge $0.0001 per turn.
List prices

At a glance

Coding index: Granite 4.2 8B not benchmarked, Reka Edge not benchmarked.
Widest category: None yet: no category has been tested on both models.
Widest single gap: None yet: no benchmark has tested both models.
Output price: Granite 4.2 8B $0.20 against Reka Edge $0.10 per million output tokens, 2.0x apart.
Context window: Granite 4.2 8B takes 131K tokens, Reka Edge 16K.

Benchmark by benchmark

Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.

CodingDirectional onlySix of these boards feed the Vibe Coding Index4 boards measured

Coding benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
AA Coding Index	22.4	Not measured	Only Granite 4.2 8B measured
SciCode	31.5%	Not measured	Only Granite 4.2 8B measured
LMArena Text: coding	1378	Not measured	Only Granite 4.2 8B measured
LMArena Text: software and IT	1366	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 39 boards here

IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Intelligence benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
AA Intelligence Index	11.1	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 1 board here

Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Agentic work benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
AA Agentic Index	1.3	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 41 boards here

ReasoningDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured

Reasoning benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
GPQA Diamond (Artificial Analysis run)	63.1%	Not measured	Only Granite 4.2 8B measured
Humanity's Last Exam (Artificial Analysis run)	9.7%	Not measured	Only Granite 4.2 8B measured
LMArena Text: hard prompts	1327	Not measured	Only Granite 4.2 8B measured
LMArena Text: expert	1386	Not measured	Only Granite 4.2 8B measured
LMArena Text: hard prompts in English	1344	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 18 boards here

KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured

Knowledge benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
LMArena Text: science	1335	Not measured	Only Granite 4.2 8B measured
LMArena Text: medicine and healthcare	1332	Not measured	Only Granite 4.2 8B measured
LMArena Text: legal and government	1327	Not measured	Only Granite 4.2 8B measured
LMArena Text: business and finance	1322	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 16 boards here

GeneralDirectional onlyPublic boards, shown as published, kept out of the index12 boards measured

General benchmarks for Granite 4.2 8B and Reka Edge
Benchmark	Granite 4.2 8B	Reka Edge	Leader
Long context reasoning (AA-LCR)	45.0%	Not measured	Only Granite 4.2 8B measured
LMArena Text	1319	Not measured	Only Granite 4.2 8B measured
LMArena Text: instruction following	1301	Not measured	Only Granite 4.2 8B measured
LMArena Text: creative writing	1235	Not measured	Only Granite 4.2 8B measured
LMArena Text: English	1337	Not measured	Only Granite 4.2 8B measured
LMArena Text: non-English	1300	Not measured	Only Granite 4.2 8B measured
LMArena Text: Chinese	1365	Not measured	Only Granite 4.2 8B measured
LMArena Text: Russian	1280	Not measured	Only Granite 4.2 8B measured
LMArena Text: multi-turn	1300	Not measured	Only Granite 4.2 8B measured
LMArena Text: longer queries	1324	Not measured	Only Granite 4.2 8B measured
LMArena Text: writing and language	1269	Not measured	Only Granite 4.2 8B measured
LMArena Text: entertainment and media	1271	Not measured	Only Granite 4.2 8B measured
Neither model has a result on the other 36 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Granite 4.2 8B$0.0002Fits in one request

Reka Edge$0.0001Fits in one request

Reka Edge costs less

Repository review

50K input + 3K output tokens

Granite 4.2 8B$0.0046Fits in one request

Reka Edge$0.0053Exceeds the context window

Granite 4.2 8B costs less

Agent loop

200K input + 10K output tokens

Granite 4.2 8B$0.018Exceeds the context window

Reka Edge$0.021Exceeds the context window

Granite 4.2 8B costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Granite 4.2 8B and Reka Edge
Specification	IBM Granite 4.2 8B	Reka Edge
Maker	IBM Granite	Reka
Weights	Open weights	Open weights
Released	August 31, 2026	March 20, 2026
Context window	131K	16K
Input $/Mtok	$0.08	$0.10
Output $/Mtok	$0.20	$0.10
Coding index	Not benchmarked	Not benchmarked
Independent measurements behind it	0	0
Cost per solved task	Not computable	Not computable
Source	OpenRouter listing	OpenRouter listing

Questions

Is Granite 4.2 8B better than Reka Edge for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Granite 4.2 8B for a larger context window (131K against 16K tokens).

Which is cheaper, Granite 4.2 8B or Reka Edge?

Granite 4.2 8B costs $0.08 per million input tokens and $0.20 per million output tokens; Reka Edge costs $0.10 and $0.10. Cost per solved task is known for neither of them.

Which has the bigger context window, Granite 4.2 8B or Reka Edge?

Granite 4.2 8B, with 131K tokens against 16K.

Has any benchmark tested both Granite 4.2 8B and Reka Edge?

No benchmark has tested both yet. Granite 4.2 8B has results on AA Coding Index, SciCode and LMArena Text: coding; Reka Edge has none yet. Compare them on price and context instead. Data as of October 23, 2026.

Granite 4.2 8B or Reka Edge: which to pick

Which one for your work

Coding

Intelligence

Agentic work

Long documents

Everyday cost