ZMIME
Comparison · 3 models · Updated Oct 4, 2026

o3-pro vs Claude Opus 4.1 vs Qwen3-Coder 480B-A35B Instruct

Too close to call on our weighted score (Qwen3-Coder 480B-A35B Instruct 28, o3-pro 27, Claude Opus 4.1 27). The right pick depends on what you value most.

  1. OpenAI

    o3-pro

    Released Jun 10, 2025

    27/100
    • ECI147.4
    • Price$20.00 / $80.00
    • Context200K
  2. Anthropic

    Claude Opus 4.1

    Released Aug 5, 2025

    27/100
    • ECI144.1
    • Price$15.00 / $75.00
    • Context200K
  3. Alibaba (Qwen)

    Qwen3-Coder 480B-A35B Instruct

    Released Apr 2025

    28/100
    • ECI—
    • Price$1.50 / $7.50
    • Context262K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within 1 points (Qwen3-Coder 480B-A35B Instruct 28/100, o3-pro 27/100, Claude Opus 4.1 27/100), so choose by what matters most for your work: Qwen3-Coder 480B-A35B Instruct on price and Qwen3-Coder 480B-A35B Instruct for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceQwen3-Coder 480B-A35B InstructQwen3-Coder 480B-A35B Instruct $3.00 · Claude Opus 4.1 $30.00 · o3-pro $35.00 per 1M tokens (3:1 blend)
  • Longest contextQwen3-Coder 480B-A35B InstructQwen3-Coder 480B-A35B Instruct 262,144 · o3-pro 200,000 · Claude Opus 4.1 200,000 tokens
  • Widest inputsClaude Opus 4.1o3-pro: Text, Images · Claude Opus 4.1: Text, Images, PDFs · Qwen3-Coder 480B-A35B Instruct: Text
  • Self-hostingQwen3-Coder 480B-A35B InstructPublishes downloadable weights
How the score is built
MeasureWeighto3-proClaude Opus 4.1Qwen3-Coder 480B-A35B Instruct
Price50%0027
Inputs & features30%707025
Context window20%323237
Overall100%27/10027/10028/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

o3-pro vs Claude Opus 4.1 vs Qwen3-Coder 480B-A35B Instruct specifications side by side
Specificationo3-proOpenAIClaude Opus 4.1AnthropicQwen3-Coder 480B-A35B InstructAlibaba (Qwen)
Capability
Capabilities Index (ECI)147.4 (best)144.1—
ECI rank#60 of 148 (best)#81 of 148—
GPQA DiamondGraduate-level science questions—77.3%—
FrontierMath Tiers 1–3Research-level mathematics—12.6%—
OTIS Mock AIME 2024–2025Competition mathematics—68.9%—
SWE-bench VerifiedFixing real GitHub issues—73.4%—
Price per million tokens
Input$20.00$15.00$1.50 (best)
Output$80.00$75.00$7.50 (best)
Cached input———
Blended (3:1)$35.00$30.00$3.00 (best)
Long-context rateSame rateSame rateOver 32K: $2.70 / $13.50
Price sourceOfficial OpenAI APIMedian of 14 providersOfficial Alibaba API
Limits
Context window200,000 tokens200,000 tokens262,144 tokens (best)
Max output100,000 tokens (best)32,000 tokens65,536 tokens
Inputs and features
TextYesYesYes
ImagesYesYesNo
PDFsNoYesNo
AudioNoNoNo
VideoNoNoNo
ReasoningYeslow · medium · highYesNo
Tool callingYesYesYes
Structured outputYesNoNo
Availability
WeightsProprietaryProprietaryOpen
API model IDo3-pro—qwen3-coder-480b-a35b-instruct
API providers614 (best)7
ReleasedJun 10, 2025Aug 5, 2025Apr 2025
Knowledge cutoffMay 2024Mar 31, 2025Apr 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • o3-pro$360.00
  • Claude Opus 4.1$300.00
  • Qwen3-Coder 480B-A35B Instruct$30.00
04 — Questions

Which should you choose?

Which is better: o3-pro, Claude Opus 4.1 or Qwen3-Coder 480B-A35B Instruct?

It is close. Our weighted score puts them within 1 points (Qwen3-Coder 480B-A35B Instruct 28/100, o3-pro 27/100, Claude Opus 4.1 27/100), so choose by what matters most for your work: Qwen3-Coder 480B-A35B Instruct on price and Qwen3-Coder 480B-A35B Instruct for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, o3-pro, Claude Opus 4.1 or Qwen3-Coder 480B-A35B Instruct?

Qwen3-Coder 480B-A35B Instruct is cheaper at $1.50 input / $7.50 output per million tokens (official Alibaba API price). Claude Opus 4.1 costs $15.00 input / $75.00 output per million tokens (median across 14 API providers); o3-pro costs $20.00 input / $80.00 output per million tokens (official OpenAI API price). At a typical mix of three input tokens to one output token, that is $3.00 per million tokens for Qwen3-Coder 480B-A35B Instruct versus $30.00 for Claude Opus 4.1 (10× as much) and $35.00 for o3-pro (12× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. o3-pro has an ECI of 147.4, Claude Opus 4.1 has an ECI of 144.1 and Qwen3-Coder 480B-A35B Instruct has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for o3-pro and Qwen3-Coder 480B-A35B Instruct yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Qwen3-Coder 480B-A35B Instruct has the largest context window at 262,144 tokens, against 200,000 for o3-pro and 200,000 for Claude Opus 4.1. Maximum output per response: o3-pro up to 100,000, Claude Opus 4.1 up to 32,000, Qwen3-Coder 480B-A35B Instruct up to 65,536 tokens.

Which can read images, PDFs, audio or video?

o3-pro accepts text and images; Claude Opus 4.1 accepts text, images and PDFs; Qwen3-Coder 480B-A35B Instruct accepts text. Claude Opus 4.1 handles the widest range of inputs.

Are any of these open source?

Qwen3-Coder 480B-A35B Instruct publishes its weights and can be self-hosted; o3-pro and Claude Opus 4.1 is proprietary.

Which is newer?

Claude Opus 4.1 is the newest, released Aug 5, 2025. o3-pro came out Jun 10, 2025; Qwen3-Coder 480B-A35B Instruct came out Apr 2025. Knowledge cutoff: o3-pro May 2024, Claude Opus 4.1 Mar 31, 2025, Qwen3-Coder 480B-A35B Instruct Apr 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.