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Comparison · 3 models · Updated Oct 4, 2026

Gemini 2.5 Computer Use Preview vs Gemma-SEA-LION-v4-27B-IT vs GPT-5-Codex

Too close to call on our weighted score (GPT-5-Codex 42, Gemma-SEA-LION-v4-27B-IT 39, Gemini 2.5 Computer Use Preview 35). The right pick depends on what you value most.

  1. Google

    Gemini 2.5 Computer Use Preview

    Released Oct 7, 2025

    35/100
    • ECI—
    • Price$1.25 / $10.00
    • Context128K
  2. AI Singapore

    Gemma-SEA-LION-v4-27B-IT

    Released Sep 23, 2025

    39/100
    • ECI—
    • Price$0.351 / $0.555
    • Context128K
  3. OpenAI

    GPT-5-Codex

    Released Sep 15, 2025

    42/100
    • ECI—
    • Price$1.25 / $10.00
    • Context400K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within 3 points (GPT-5-Codex 42/100, Gemma-SEA-LION-v4-27B-IT 39/100, Gemini 2.5 Computer Use Preview 35/100), so choose by what matters most for your work: Gemma-SEA-LION-v4-27B-IT on price and GPT-5-Codex 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 priceGemma-SEA-LION-v4-27B-ITGemma-SEA-LION-v4-27B-IT $0.402 · Gemini 2.5 Computer Use Preview $3.44 · GPT-5-Codex $3.44 per 1M tokens (3:1 blend)
  • Longest contextGPT-5-CodexGPT-5-Codex 400,000 · Gemini 2.5 Computer Use Preview 128,000 · Gemma-SEA-LION-v4-27B-IT 128,000 tokens
  • Widest inputsGemini 2.5 Computer Use Preview and GPT-5-CodexGemini 2.5 Computer Use Preview: Text, Images · Gemma-SEA-LION-v4-27B-IT: Text · GPT-5-Codex: Text, Images
  • Self-hostingGemma-SEA-LION-v4-27B-ITPublishes downloadable weights
How the score is built
MeasureWeightGemini 2.5 Computer Use PreviewGemma-SEA-LION-v4-27B-ITGPT-5-Codex
Price50%246924
Inputs & features30%60070
Context window20%242444
Overall100%35/10039/10042/100

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.

Gemini 2.5 Computer Use Preview vs Gemma-SEA-LION-v4-27B-IT vs GPT-5-Codex specifications side by side
SpecificationGemini 2.5 Computer Use PreviewGoogleGemma-SEA-LION-v4-27B-ITAI SingaporeGPT-5-CodexOpenAI
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$1.25$0.351 (best)$1.25
Output$10.00$0.555 (best)$10.00
Cached input———
Blended (3:1)$3.44$0.402 (best)$3.44
Long-context rateOver 200K: $2.50 / $15.00Same rateSame rate
Price sourceOfficial Google APIMedian of 2 providersMedian of 3 providers
Limits
Context window128,000 tokens128,000 tokens400,000 tokens (best)
Max output64,000 tokens128,000 tokens (best)128,000 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesNoYes
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYesNoYes
Tool callingYesNoYes
Structured outputNoNoYes
Availability
WeightsProprietaryOpenProprietary
API model IDgemini-2.5-computer-use-preview-10-2025——
API providers223 (best)
ReleasedOct 7, 2025Sep 23, 2025Sep 15, 2025
Knowledge cutoffJan 2025—Sep 30, 2024
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.

  • Gemini 2.5 Computer Use Preview$32.50
  • Gemma-SEA-LION-v4-27B-IT$4.62
  • GPT-5-Codex$32.50
04 — Questions

Which should you choose?

Which is better: Gemini 2.5 Computer Use Preview, Gemma-SEA-LION-v4-27B-IT or GPT-5-Codex?

It is close. Our weighted score puts them within 3 points (GPT-5-Codex 42/100, Gemma-SEA-LION-v4-27B-IT 39/100, Gemini 2.5 Computer Use Preview 35/100), so choose by what matters most for your work: Gemma-SEA-LION-v4-27B-IT on price and GPT-5-Codex 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, Gemini 2.5 Computer Use Preview, Gemma-SEA-LION-v4-27B-IT or GPT-5-Codex?

Gemma-SEA-LION-v4-27B-IT is cheaper at $0.351 input / $0.555 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); GPT-5-Codex costs $1.25 input / $10.00 output per million tokens (median across 3 API providers). At a typical mix of three input tokens to one output token, that is $0.402 per million tokens for Gemma-SEA-LION-v4-27B-IT versus $3.44 for Gemini 2.5 Computer Use Preview (8.6× as much) and $3.44 for GPT-5-Codex (8.6× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Gemini 2.5 Computer Use Preview has not been scored yet, Gemma-SEA-LION-v4-27B-IT has not been scored yet and GPT-5-Codex has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini 2.5 Computer Use Preview, Gemma-SEA-LION-v4-27B-IT and GPT-5-Codex yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Gemma-SEA-LION-v4-27B-IT does not support tool calling, which most coding agents need.

Which has the bigger context window?

GPT-5-Codex has the largest context window at 400,000 tokens, against 128,000 for Gemini 2.5 Computer Use Preview and 128,000 for Gemma-SEA-LION-v4-27B-IT. Maximum output per response: Gemini 2.5 Computer Use Preview up to 64,000, Gemma-SEA-LION-v4-27B-IT up to 128,000, GPT-5-Codex up to 128,000 tokens.

Which can read images, PDFs, audio or video?

Gemini 2.5 Computer Use Preview accepts text and images; Gemma-SEA-LION-v4-27B-IT accepts text; GPT-5-Codex accepts text and images. Gemini 2.5 Computer Use Preview handles the widest range of inputs.

Are any of these open source?

Gemma-SEA-LION-v4-27B-IT publishes its weights and can be self-hosted; Gemini 2.5 Computer Use Preview and GPT-5-Codex is proprietary.

Which is newer?

Gemini 2.5 Computer Use Preview is the newest, released Oct 7, 2025. Gemma-SEA-LION-v4-27B-IT came out Sep 23, 2025; GPT-5-Codex came out Sep 15, 2025. Knowledge cutoff: Gemini 2.5 Computer Use Preview Jan 2025, GPT-5-Codex Sep 30, 2024.

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.