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GPT-4o (2024-11-20) vs ReMM SLERP 13B

ReMM SLERP 13B costs 15.4x less per output token than GPT-4o (2024-11-20) ($0.65 vs $10.00 per million). Updated October 23, 2026; no benchmark has tested both models yet.

GPT-4o (2024-11-20)OpenAI
Coding
No data
Overall
No data
Output $/M
$10.00
U ReMM SLERP 13BUndi95
Coding
No data
Overall
No data
Output $/M
$0.65
vs $10.00 vs $0.65 per 1M output tokens. ReMM SLERP 13B is 15.4x cheaper.

GPT-4o (2024-11-20) or ReMM SLERP 13B: which to pick

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

Pick GPT-4o (2024-11-20) for a larger context window (128K against 6K tokens).

No benchmark has tested both yet. GPT-4o (2024-11-20) has results on Aider polyglot, LiveCodeBench (Vals AI) and GSO-Bench; ReMM SLERP 13B 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 (2024-11-20) not benchmarked, ReMM SLERP 13B 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 (2024-11-20) $10.00 against ReMM SLERP 13B $0.65 per million output tokens, 15.4x apart.
Context window
GPT-4o (2024-11-20) takes 128K tokens, ReMM SLERP 13B 6K.

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 Index5 boards measured
Coding benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
Aider polyglot18.2%Not measuredOnly GPT-4o (2024-11-20) measured
LiveCodeBench (Vals AI)43.4%Not measuredOnly GPT-4o (2024-11-20) measured
GSO-Bench0.0%Not measuredOnly GPT-4o (2024-11-20) measured
WeirdML25.1%Not measuredOnly GPT-4o (2024-11-20) measured
Cybench12.5%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 38 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
Intelligence benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
AA Intelligence Index8.4Not measuredOnly GPT-4o (2024-11-20) 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 GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
TheAgentCompany8.6%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 41 boards here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
Reasoning benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
GPQA Diamond53.8%Not measuredOnly GPT-4o (2024-11-20) measured
MMMU Pro (Vals AI)62.2%Not measuredOnly GPT-4o (2024-11-20) measured
GPQA Diamond (Epoch AI run)47.9%Not measuredOnly GPT-4o (2024-11-20) measured
VPCT40.0%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 19 boards here
MathDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
Math benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
AIME11.9%Not measuredOnly GPT-4o (2024-11-20) measured
MATH 500 (Vals AI)74.0%Not measuredOnly GPT-4o (2024-11-20) measured
MGSM (Vals AI)90.4%Not measuredOnly GPT-4o (2024-11-20) measured
OTIS Mock AIME6.3%Not measuredOnly GPT-4o (2024-11-20) measured
MATH level 549.8%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 9 boards here
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index7 boards measured
Knowledge benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
MMLU Pro72.6%Not measuredOnly GPT-4o (2024-11-20) measured
LegalBench (Vals AI)82.2%Not measuredOnly GPT-4o (2024-11-20) measured
CaseLaw (Vals AI)59.7%Not measuredOnly GPT-4o (2024-11-20) measured
CorpFin (Vals AI)45.9%Not measuredOnly GPT-4o (2024-11-20) measured
TaxEval (Vals AI)74.5%Not measuredOnly GPT-4o (2024-11-20) measured
MortgageTax (Vals AI)57.4%Not measuredOnly GPT-4o (2024-11-20) measured
GeoBench71.0%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 13 boards here
GeneralDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
General benchmarks for GPT-4o (2024-11-20) and ReMM SLERP 13B
BenchmarkGPT-4o (2024-11-20)ReMM SLERP 13BLeader
Creative writing (Lech Mazur)81.8%Not measuredOnly GPT-4o (2024-11-20) measured
Neither model has a result on the other 47 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 (2024-11-20)$0.0075Fits in one request
ReMM SLERP 13B$0.0007Fits in one request

ReMM SLERP 13B costs less

Repository review

50K input + 3K output tokens

GPT-4o (2024-11-20)$0.155Fits in one request
ReMM SLERP 13B$0.019Exceeds the context window

ReMM SLERP 13B costs less

Agent loop

200K input + 10K output tokens

GPT-4o (2024-11-20)$0.600Exceeds the context window
ReMM SLERP 13B$0.076Exceeds the context window

ReMM SLERP 13B 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 (2024-11-20) and ReMM SLERP 13B
SpecificationOpenAI GPT-4o (2024-11-20)ReMM SLERP 13B
MakerOpenAIUndi95
WeightsNo public weights listedOpen weights
ReleasedNovember 20, 2024July 22, 2023
Context window128K6K
Input $/Mtok$2.50$0.35
Output $/Mtok$10.00$0.65
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4o (2024-11-20) better than ReMM SLERP 13B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4o (2024-11-20) for a larger context window (128K against 6K tokens).

Which is cheaper, GPT-4o (2024-11-20) or ReMM SLERP 13B?

GPT-4o (2024-11-20) costs $2.50 per million input tokens and $10.00 per million output tokens; ReMM SLERP 13B costs $0.35 and $0.65. Cost per solved task is known for neither of them.

Which has the bigger context window, GPT-4o (2024-11-20) or ReMM SLERP 13B?

GPT-4o (2024-11-20), with 128K tokens against 6K.

Has any benchmark tested both GPT-4o (2024-11-20) and ReMM SLERP 13B?

No benchmark has tested both yet. GPT-4o (2024-11-20) has results on Aider polyglot, LiveCodeBench (Vals AI) and GSO-Bench; ReMM SLERP 13B has none yet. Compare them on price and context instead. Data as of October 23, 2026.

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