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Comparison · 3 models · Updated Oct 4, 2026

GPT-5.1 Chat vs Aya Vision 32B vs Gemini 2.5 Computer Use Preview

GPT-5.1 Chat comes out ahead, 52 to 46 and 15 on our weighted score.

  1. Our pick

    OpenAI

    GPT-5.1 Chat

    Released Nov 13, 2025

    52/100
    • ECI—
    • Price$1.25 / $10.00
    • Context128K
  2. Cohere

    Aya Vision 32B

    Released Mar 4, 2025

    15/100
    • ECI—
    • Price—
    • Context16K
  3. Google

    Gemini 2.5 Computer Use Preview

    Released Oct 7, 2025

    46/100
    • ECI—
    • Price$1.25 / $10.00
    • Context128K
01 — Verdict

GPT-5.1 Chat is our pick

GPT-5.1 Chat is the better all-round choice, scoring 52/100 against Gemini 2.5 Computer Use Preview (46) and Aya Vision 32B (15). It leads on inputs & features. The score weighs inputs & features 60%, context window 40%. 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 priceGPT-5.1 Chat and Gemini 2.5 Computer Use PreviewGPT-5.1 Chat $3.44 · Gemini 2.5 Computer Use Preview $3.44 per 1M tokens (3:1 blend) · Aya Vision 32B unpriced
  • Longest contextGPT-5.1 Chat and Gemini 2.5 Computer Use PreviewGPT-5.1 Chat 128,000 · Gemini 2.5 Computer Use Preview 128,000 · Aya Vision 32B 16,000 tokens
  • Widest inputsSame inputsGPT-5.1 Chat: Text, Images · Aya Vision 32B: Text, Images · Gemini 2.5 Computer Use Preview: Text, Images
  • Self-hostingAya Vision 32BPublishes downloadable weights (CC-BY-NC-4.0)
How the score is built
MeasureWeightGPT-5.1 ChatAya Vision 32BGemini 2.5 Computer Use Preview
Inputs & features60%702560
Context window40%24024
Overall100%52/10015/10046/100

Left out because at least one model lacks the data: capability and price. 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.

GPT-5.1 Chat vs Aya Vision 32B vs Gemini 2.5 Computer Use Preview specifications side by side
SpecificationGPT-5.1 ChatOpenAIAya Vision 32BCohereGemini 2.5 Computer Use PreviewGoogle
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$1.25—$1.25
Output$10.00—$10.00
Cached input———
Blended (3:1)$3.44—$3.44
Long-context rateSame rate—Over 200K: $2.50 / $15.00
Price sourceMedian of 2 providers—Official Google API
Limits
Context window128,000 tokens (best)16,000 tokens128,000 tokens (best)
Max output16,384 tokens4,000 tokens64,000 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesYesYes
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYesNoYes
Tool callingYesNoYes
Structured outputYesNoNo
Availability
WeightsProprietaryOpenCC-BY-NC-4.0Proprietary
API model ID—c4ai-aya-vision-32bgemini-2.5-computer-use-preview-10-2025
API providers2 (best)12 (best)
ReleasedNov 13, 2025Mar 4, 2025Oct 7, 2025
Knowledge cutoffSep 30, 2024—Jan 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.

  • GPT-5.1 Chat$32.50
  • Aya Vision 32B—
  • Gemini 2.5 Computer Use Preview$32.50
04 — Questions

Which should you choose?

Which is better: GPT-5.1 Chat, Aya Vision 32B or Gemini 2.5 Computer Use Preview?

GPT-5.1 Chat is the better all-round choice, scoring 52/100 against Gemini 2.5 Computer Use Preview (46) and Aya Vision 32B (15). It leads on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, GPT-5.1 Chat, Aya Vision 32B or Gemini 2.5 Computer Use Preview?

GPT-5.1 Chat is cheaper at $1.25 input / $10.00 output per million tokens (median across 2 API providers). Gemini 2.5 Computer Use Preview costs $1.25 input / $10.00 output per million tokens (official Google API price). At a typical mix of three input tokens to one output token, that is $3.44 per million tokens for GPT-5.1 Chat versus $3.44 for Gemini 2.5 Computer Use Preview (1× as much). Aya Vision 32B has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. GPT-5.1 Chat has not been scored yet, Aya Vision 32B has not been scored yet and Gemini 2.5 Computer Use Preview has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for GPT-5.1 Chat, Aya Vision 32B and Gemini 2.5 Computer Use Preview yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Aya Vision 32B does not support tool calling, which most coding agents need.

Which has the bigger context window?

GPT-5.1 Chat and Gemini 2.5 Computer Use Preview have the largest context windows (128,000 and 128,000 tokens), against 16,000 for Aya Vision 32B. Maximum output per response: GPT-5.1 Chat up to 16,384, Aya Vision 32B up to 4,000, Gemini 2.5 Computer Use Preview up to 64,000 tokens.

Which can read images, PDFs, audio or video?

GPT-5.1 Chat accepts text and images; Aya Vision 32B accepts text and images; Gemini 2.5 Computer Use Preview accepts text and images. They handle the same number of input types.

Are any of these open source?

Aya Vision 32B publishes its weights (CC-BY-NC-4.0) and can be self-hosted; GPT-5.1 Chat and Gemini 2.5 Computer Use Preview is proprietary.

Which is newer?

GPT-5.1 Chat is the newest, released Nov 13, 2025. Gemini 2.5 Computer Use Preview came out Oct 7, 2025; Aya Vision 32B came out Mar 4, 2025. Knowledge cutoff: GPT-5.1 Chat Sep 30, 2024, Gemini 2.5 Computer Use Preview Jan 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.