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Head-to-head comparison

o3 vs Qwen3 235B A22B Instruct 2507

o3 (OpenAI) and Qwen3 235B A22B Instruct 2507 (Qwen) 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 18 August 2026

As of 18 August 2026, o3 holds the stronger ModelCap Index position (#37 vs #48); Qwen3 235B A22B Instruct 2507 is 14.5× cheaper per output token ($0.55/1M vs $8.00/1M); Qwen3 235B A22B Instruct 2507 offers the longer context window (262K vs 200K tokens); and Qwen3 235B A22B Instruct 2507 ships open weights.

Which should you choose?

Choose o3 if…

  • you want the stronger overall ModelCap Index position — #37 against #48 (55.1 vs 49.8 points).
  • ARC-AGI-2 is your yardstick — 6.5% against 1.3%.
  • BFCL V4 is your yardstick — 63.1 against 52.2.
  • Artificial Analysis Intelligence Index is your yardstick — 31.1 against 18.4.

Choose Qwen3 235B A22B Instruct 2507 if…

  • API cost matters — $0.55/1M output tokens against $8.00/1M, about 14.5× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.09/1M against $2.00/1M.
  • you need the longer context window — 262K tokens against 200K.
  • you want to self-host: Qwen3 235B A22B Instruct 2507 ships open weights while o3 is api only.
  • you want provider choice — 9 listed API providers against 1.
  • Arena coding is your yardstick — 1472 against 1460.
  • you want the more recently listed model — Qwen3 235B A22B Instruct 2507 was listed 21 July 2025, o3 16 April 2025.

o3 vs Qwen3 235B A22B Instruct 2507: specs, pricing and context

Specification comparison of o3 and Qwen3 235B A22B Instruct 2507
Fieldo3OpenAIQwen3 235B A22B Instruct 2507Qwen
ModelCap Index position#37#48
Index score55.149.8
EvidenceMeasuredMeasured
Input price / 1M tokens$2.00$0.09
Output price / 1M tokens$8.00$0.55
Context window200K tokens262K tokens
Max output tokens100K16K
API providers listed19
Weight accessAPI onlyOpen weights
Input modalitiesImage, Text, FileText
First listed16 April 202521 July 2025
PublisherOpenAIQwen

Evidence: 4 public benchmark observations across 4 boards · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: o3 vs Qwen3 235B A22B Instruct 2507

Public benchmark boards where o3 or Qwen3 235B A22B Instruct 2507 has a published result
Boardo3Qwen3 235B A22B Instruct 2507Leads
Arena codingArena (LMArena)14601453–146614721468–1477Qwen3 235B A22B Instruct 2507
ARC-AGI-2ARC Prize Foundation6.5%High1.3%o3
SWE-benchSWE-bench (Princeton / SWE-agent team)58.4%—Only one result
BFCL V4UC Berkeley (Gorilla)63.1Prompt52.2Prompto3
Artificial Analysis Intelligence IndexArtificial Analysis31.1intelligence-index18.4intelligence-indexo3

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.

o3 vs Qwen3 235B A22B Instruct 2507: common questions

Is o3 better than Qwen3 235B A22B Instruct 2507?

o3 ranks higher on the ModelCap Index as of 18 August 2026: #37 against #48. 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.

Is o3 cheaper than Qwen3 235B A22B Instruct 2507?

Qwen3 235B A22B Instruct 2507 is cheaper on output tokens: $0.55/1M against $8.00/1M. Input tokens are $2.00/1M for o3 and $0.09/1M for Qwen3 235B A22B Instruct 2507. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, o3 or Qwen3 235B A22B Instruct 2507?

Qwen3 235B A22B Instruct 2507 has the larger context window: 262K tokens against 200K.

Which is better for coding, o3 or Qwen3 235B A22B Instruct 2507?

Arena coding: o3 1460, Qwen3 235B A22B Instruct 2507 1472 — Qwen3 235B A22B Instruct 2507 leads.

Are o3 and Qwen3 235B A22B Instruct 2507 open-weight models?

o3: API only. Qwen3 235B A22B Instruct 2507: 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 o3 and Qwen3 235B A22B Instruct 2507?

ModelCap currently lists 1 API provider for o3 and 9 for Qwen3 235B A22B Instruct 2507, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this o3 vs Qwen3 235B A22B Instruct 2507 comparison?

Every figure comes from the sealed ModelCap dataset published 18 August 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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