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Head-to-head comparison

Olmo 3.1 7B RL Zero Code vs Phi 3 medium 4k instruct

Olmo 3.1 7B RL Zero Code (Allen Institute) and Phi 3 medium 4k instruct (Microsoft) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 23 September 2026

As of 23 September 2026, Olmo 3.1 7B RL Zero Code holds the stronger ModelCap Index position (#237 vs #240).

Which should you choose?

Choose Olmo 3.1 7B RL Zero Code if…

  • you want the stronger overall ModelCap Index position — #237 against #240 (9.9 vs 9.2 points).
  • you want the more recently listed model — Olmo 3.1 7B RL Zero Code was listed 10 December 2025, Phi 3 medium 4k instruct 7 May 2024.

Choose Phi 3 medium 4k instruct if…

  • ModelCap publishes no field on which Phi 3 medium 4k instruct leads Olmo 3.1 7B RL Zero Code for this pair.

Olmo 3.1 7B RL Zero Code vs Phi 3 medium 4k instruct: specs, pricing and context

Specification comparison of Olmo 3.1 7B RL Zero Code and Phi 3 medium 4k instruct
FieldOlmo 3.1 7B RL Zero CodeAllen InstitutePhi 3 medium 4k instructMicrosoft
ModelCap Index position#237#240
Index score9.99.2
EvidenceInheritedMeasured
Input price / 1M tokensUnlistedUnlisted
Output price / 1M tokensUnlistedUnlisted
Context window— tokens— tokens
Max output tokens——
API providers listed00
Weight accessOpen weightsOpen weights
Input modalitiesTextText
First listed10 December 20257 May 2024
PublisherAllen InstituteMicrosoft

Evidence: finetune of allenai/Olmo-3-1025-7B · finetune (100%) · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Olmo 3.1 7B RL Zero Code vs Phi 3 medium 4k instruct

Public benchmark boards where Olmo 3.1 7B RL Zero Code or Phi 3 medium 4k instruct has a published result
BoardOlmo 3.1 7B RL Zero CodePhi 3 medium 4k instructLeads
Arena codingArena (LMArena)—12311221–1242Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Olmo 3.1 7B RL Zero Code vs Phi 3 medium 4k instruct: common questions

Is Olmo 3.1 7B RL Zero Code better than Phi 3 medium 4k instruct?

Olmo 3.1 7B RL Zero Code ranks higher on the ModelCap Index as of 23 September 2026: #237 against #240. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Olmo 3.1 7B RL Zero Code cheaper than Phi 3 medium 4k instruct?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Olmo 3.1 7B RL Zero Code or Phi 3 medium 4k instruct?

Both publish a —-token context window.

Which is better for coding, Olmo 3.1 7B RL Zero Code or Phi 3 medium 4k instruct?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Olmo 3.1 7B RL Zero Code and Phi 3 medium 4k instruct open-weight models?

Olmo 3.1 7B RL Zero Code: Open weights. Phi 3 medium 4k instruct: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Olmo 3.1 7B RL Zero Code and Phi 3 medium 4k instruct?

ModelCap currently lists 0 API providers for Olmo 3.1 7B RL Zero Code and 0 for Phi 3 medium 4k instruct, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Olmo 3.1 7B RL Zero Code vs Phi 3 medium 4k instruct comparison?

Every figure comes from the sealed ModelCap dataset published 23 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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