ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Gemini Robotics-ER 1.6 Preview vs Mistral Medium 3

Too close to call on our weighted score (Gemini Robotics-ER 1.6 Preview 50, Mistral Medium 3 47). The right pick depends on what you value most.

  1. Google

    Gemini Robotics-ER 1.6 Preview

    Released Apr 14, 2026

    50/100
    • ECI—
    • Price$1.00 / $5.00
    • Context131K
    Full specs Remove Gemini Robotics-ER 1.6 Preview

  2. Mistral AI

    Mistral Medium 3

    Released May 7, 2025

    47/100
    • ECI134.1
    • Price$0.40 / $2.00
    • Context131K
    Full specs Remove Mistral Medium 3

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Too close to call

It is close. Our weighted score puts them within 3 points (Gemini Robotics-ER 1.6 Preview 50/100, Mistral Medium 3 47/100), so choose by what matters most for your work: Mistral Medium 3 on price. 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 priceMistral Medium 3Mistral Medium 3 $0.80 · Gemini Robotics-ER 1.6 Preview $2.00 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameGemini Robotics-ER 1.6 Preview 131,072 · Mistral Medium 3 131,072 tokens
  • Widest inputsGemini Robotics-ER 1.6 PreviewGemini Robotics-ER 1.6 Preview: Text, Images, Audio, Video · Mistral Medium 3: Text, Images
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightGemini Robotics-ER 1.6 PreviewMistral Medium 3
Price50%3654
Inputs & features30%9050
Context window20%2424
Overall100%50/10047/100

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 Robotics-ER 1.6 Preview vs Mistral Medium 3 specifications side by side
SpecificationGemini Robotics-ER 1.6 PreviewGoogleMistral Medium 3Mistral AI
Capability
Capabilities Index (ECI)—134.1
ECI rank—#117 of 148
GPQA DiamondGraduate-level science questions—59.5%
OTIS Mock AIME 2024–2025Competition mathematics—32.2%
Price per million tokens
Input$1.00$0.40 (best)
Output$5.00$2.00 (best)
Cached input——
Blended (3:1)$2.00$0.80 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersOfficial Mistral API
Limits
Context window131,072 tokens131,072 tokens
Max output65,536 tokens131,072 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioYesNo
VideoYesNo
ReasoningYesNo
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryProprietary
API model ID—mistral-medium-2505
API providers15 (best)
ReleasedApr 14, 2026May 7, 2025
Knowledge cutoffJan 2025May 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.

  • Gemini Robotics-ER 1.6 Preview$20.00
  • Mistral Medium 3$8.00
04 — Questions

Which should you choose?

Which is better: Gemini Robotics-ER 1.6 Preview or Mistral Medium 3?

It is close. Our weighted score puts them within 3 points (Gemini Robotics-ER 1.6 Preview 50/100, Mistral Medium 3 47/100), so choose by what matters most for your work: Mistral Medium 3 on price. 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 Robotics-ER 1.6 Preview or Mistral Medium 3?

Mistral Medium 3 is cheaper at $0.40 input / $2.00 output per million tokens (official Mistral API price). Gemini Robotics-ER 1.6 Preview costs $1.00 input / $5.00 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.80 per million tokens for Mistral Medium 3 versus $2.00 for Gemini Robotics-ER 1.6 Preview (2.5× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Gemini Robotics-ER 1.6 Preview has not been scored yet and Mistral Medium 3 has an ECI of 134.1.

Which is better for coding?

There are no published SWE-bench Verified results for Gemini Robotics-ER 1.6 Preview and Mistral Medium 3 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Gemini Robotics-ER 1.6 Preview and Mistral Medium 3 share the same 131,072-token context window. Maximum output per response: Gemini Robotics-ER 1.6 Preview up to 65,536, Mistral Medium 3 up to 131,072 tokens.

Which can read images, PDFs, audio or video?

Gemini Robotics-ER 1.6 Preview accepts text, images, audio and video; Mistral Medium 3 accepts text and images. Gemini Robotics-ER 1.6 Preview handles the widest range of inputs.

Are any of these open source?

No. Gemini Robotics-ER 1.6 Preview and Mistral Medium 3 are proprietary and only available through APIs and apps.

Which is newer?

Gemini Robotics-ER 1.6 Preview is the newest, released Apr 14, 2026. Mistral Medium 3 came out May 7, 2025. Knowledge cutoff: Gemini Robotics-ER 1.6 Preview Jan 2025, Mistral Medium 3 May 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.

05 — Keep comparing

Related comparisons