Skip to content
ModelCap

Head-to-head comparison

Phi 3.5 MoE instruct vs GPT-4o (2024-08-06)

Phi 3.5 MoE instruct (Microsoft) and GPT-4o (2024-08-06) (OpenAI) 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 22 September 2026

As of 22 September 2026, GPT-4o (2024-08-06) holds the stronger ModelCap Index position (#160 vs #162); and Phi 3.5 MoE instruct ships open weights.

Which should you choose?

Choose Phi 3.5 MoE instruct if…

  • you want to self-host: Phi 3.5 MoE instruct ships open weights while GPT-4o (2024-08-06) is api only.
  • you want the more recently listed model — Phi 3.5 MoE instruct was listed 17 August 2024, GPT-4o (2024-08-06) 6 August 2024.

Choose GPT-4o (2024-08-06) if…

  • you want the stronger overall ModelCap Index position — #160 against #162 (33.5 vs 32.0 points).
  • you want provider choice — 2 listed API providers against 0.

Phi 3.5 MoE instruct vs GPT-4o (2024-08-06): specs, pricing and context

Specification comparison of Phi 3.5 MoE instruct and GPT-4o (2024-08-06)
FieldPhi 3.5 MoE instructMicrosoftGPT-4o (2024-08-06)OpenAI
ModelCap Index position#162#160
Index score32.033.5
EvidenceEstimatedMeasured
Input price / 1M tokensUnlisted$2.50
Output price / 1M tokensUnlisted$10.00
Context window— tokens128K tokens
Max output tokens—16K
API providers listed02
Weight accessOpen weightsAPI only
Input modalitiesTextText, Image, File
First listed17 August 20246 August 2024
PublisherMicrosoftOpenAI

Evidence: global-corpus-prior over 203 held-out anchors (42%); launch card against 4 resolved peers on 6 rows (58%); exceeds every named peer on 4 of 6 rows; optimism haircut 0.67 from cross-lab-probe; shrunk 16.8 up toward the measured corpus · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Phi 3.5 MoE instruct vs GPT-4o (2024-08-06)

Public benchmark boards where Phi 3.5 MoE instruct or GPT-4o (2024-08-06) has a published result
BoardPhi 3.5 MoE instructGPT-4o (2024-08-06)Leads
Arena codingArena (LMArena)—13601352–1368Only one result
AA τ²-Bench TelecomArtificial Analysis—28.9%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="GPT-4o (Aug '24)":reasoning=falseOnly one result
AA Humanity's Last ExamArtificial Analysis—2.3%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="GPT-4o (Aug '24)":reasoning=falseOnly 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.

Phi 3.5 MoE instruct vs GPT-4o (2024-08-06): common questions

Is Phi 3.5 MoE instruct better than GPT-4o (2024-08-06)?

GPT-4o (2024-08-06) ranks higher on the ModelCap Index as of 22 September 2026: #160 against #162. 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 Phi 3.5 MoE instruct cheaper than GPT-4o (2024-08-06)?

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, Phi 3.5 MoE instruct or GPT-4o (2024-08-06)?

Both publish a —-token context window.

Which is better for coding, Phi 3.5 MoE instruct or GPT-4o (2024-08-06)?

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 Phi 3.5 MoE instruct and GPT-4o (2024-08-06) open-weight models?

Phi 3.5 MoE instruct: Open weights. GPT-4o (2024-08-06): API only. 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 Phi 3.5 MoE instruct and GPT-4o (2024-08-06)?

ModelCap currently lists 0 API providers for Phi 3.5 MoE instruct and 2 for GPT-4o (2024-08-06), from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Phi 3.5 MoE instruct vs GPT-4o (2024-08-06) comparison?

Every figure comes from the sealed ModelCap dataset published 22 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.

Explore further