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GPT-4o vs Reka Edge

Reka Edge costs 100.0x less per output token than GPT-4o ($0.10 vs $10.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.

GPT-4oOpenAI
Coding
No data
Overall
No data
Output $/M
$10.00
Reka EdgeReka
Coding
No data
Overall
No data
Output $/M
$0.10
vs $10.00 vs $0.10 per 1M output tokens. Reka Edge is 100.0x cheaper.

GPT-4o or Reka Edge: which to pick

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

Pick GPT-4o for a larger context window (128K against 16K tokens).

No benchmark has tested both yet. GPT-4o has results on SWE-bench Verified, SWE-bench Lite and SWE-bench (full test set); 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.

At a glance

Coding index
GPT-4o 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
GPT-4o $10.00 against Reka Edge $0.10 per million output tokens, 100.0x apart.
Context window
GPT-4o takes 128K 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 Index7 boards measured
Coding benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
SWE-bench Verified38.8%Not measuredOnly GPT-4o measured
SWE-bench Lite38.0%Not measuredOnly GPT-4o measured
SWE-bench (full test set)18.8%Not measuredOnly GPT-4o measured
SWE-bench Multimodal30.4%Not measuredOnly GPT-4o measured
LiveCodeBench (Artificial Analysis run)30.9%Not measuredOnly GPT-4o measured
Terminal-Bench Hard (Artificial Analysis run)8.3%Not measuredOnly GPT-4o measured
SciCode1.5%Not measuredOnly GPT-4o measured
Neither model has a result on the other 36 boards here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
Agentic work benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
τ²-Bench Telecom25.1%Not measuredOnly GPT-4o measured
GDPval9.9%Not measuredOnly GPT-4o measured
Neither model has a result on the other 40 boards here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
Reasoning benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
GPQA Diamond (Artificial Analysis run)54.3%Not measuredOnly GPT-4o measured
Humanity's Last Exam (Artificial Analysis run)2.4%Not measuredOnly GPT-4o measured
ARC-AGI4.5%Not measuredOnly GPT-4o measured
ARC-AGI-20.0%Not measuredOnly GPT-4o measured
Neither model has a result on the other 19 boards here
MathDirectional onlyPublic boards, shown as published, kept out of the index3 boards measured
Math benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
AA Math Index6.0Not measuredOnly GPT-4o measured
AIME 2025 (Artificial Analysis run)6.0%Not measuredOnly GPT-4o measured
MathArena3.6%Not measuredOnly GPT-4o measured
Neither model has a result on the other 11 boards here
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
Knowledge benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
MMLU Pro (Artificial Analysis run)74.8%Not measuredOnly GPT-4o measured
MMLU88.1%Not measuredOnly GPT-4o measured
Neither model has a result on the other 18 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards measured
Web design benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
Design Arena: websites831Not measuredOnly GPT-4o measured
Design Arena: UI components883Not measuredOnly GPT-4o measured
Design Arena: game dev906Not measuredOnly GPT-4o measured
Design Arena: data viz858Not measuredOnly GPT-4o measured
Design Arena: 3D868Not measuredOnly GPT-4o measured
Design Arena: all code categories860Not measuredOnly GPT-4o measured
Neither model has a result on the other 3 boards here
GeneralDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
General benchmarks for GPT-4o and Reka Edge
BenchmarkGPT-4oReka EdgeLeader
IFBench34.3%Not measuredOnly GPT-4o measured
Long context reasoning (AA-LCR)49.3%Not measuredOnly GPT-4o measured
DTBench64.5%Not measuredOnly GPT-4o measured
LMCA16.6%Not measuredOnly GPT-4o measured
Neither model has a result on the other 44 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

GPT-4o$0.0075Fits in one request
Reka Edge$0.0001Fits in one request

Reka Edge costs less

Repository review

50K input + 3K output tokens

GPT-4o$0.155Fits in one request
Reka Edge$0.0053Exceeds the context window

Reka Edge costs less

Agent loop

200K input + 10K output tokens

GPT-4o$0.600Exceeds the context window
Reka Edge$0.021Exceeds the context window

Reka Edge 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 GPT-4o and Reka Edge
SpecificationOpenAI GPT-4oReka Edge
MakerOpenAIReka
WeightsNo public weights listedOpen weights
ReleasedMay 13, 2024March 20, 2026
Context window128K16K
Input $/Mtok$2.50$0.10
Output $/Mtok$10.00$0.10
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4o better than Reka Edge for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4o for a larger context window (128K against 16K tokens).

Which is cheaper, GPT-4o or Reka Edge?

GPT-4o costs $2.50 per million input tokens and $10.00 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, GPT-4o or Reka Edge?

GPT-4o, with 128K tokens against 16K.

Has any benchmark tested both GPT-4o and Reka Edge?

No benchmark has tested both yet. GPT-4o has results on SWE-bench Verified, SWE-bench Lite and SWE-bench (full test set); Reka Edge has none yet. Compare them on price and context instead. Data as of October 22, 2026.

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