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Comparison · 2 models · Updated Nov 2, 2026

Gemma 4 31B IT vs Claude Haiku 4.5

Gemma 4 31B IT comes out ahead, 68 to 57 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Google

    Gemma 4 31B IT

    Released Apr 2, 2026

    68/100
    • ECI143.1
    • Price$0.14 / $0.40
    • Context262K
    Full specs Remove Gemma 4 31B IT

  2. Anthropic

    Claude Haiku 4.5

    Released Oct 15, 2025

    57/100
    • ECI142.2
    • Price$1.00 / $5.00
    • Context200K
    Full specs Remove Claude Haiku 4.5

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    Make it a three-way comparison.

01 — Verdict

Gemma 4 31B IT is our pick

Gemma 4 31B IT is the better all-round choice, scoring 68/100 against Claude Haiku 4.5 (57). It leads on price and context window. Claude Haiku 4.5 wins on inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityGemma 4 31B ITCapabilities Index (ECI): Gemma 4 31B IT 143.1 · Claude Haiku 4.5 142.2
  • Lowest priceGemma 4 31B ITGemma 4 31B IT $0.205 · Claude Haiku 4.5 $2.00 per 1M tokens (3:1 blend)
  • Longest contextGemma 4 31B ITGemma 4 31B IT 262,144 · Claude Haiku 4.5 200,000 tokens
  • Widest inputsClaude Haiku 4.5Gemma 4 31B IT: Text, Images · Claude Haiku 4.5: Text, Images, PDFs
  • Self-hostingGemma 4 31B ITPublishes downloadable weights
How the score is built
MeasureWeightGemma 4 31B ITClaude Haiku 4.5
CapabilityCapabilities Index (ECI)50%6867
Price25%7934
Inputs & features15%7080
Context window10%3732
Overall100%68/10057/100
02 — Side by side

Every spec in one table

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

Gemma 4 31B IT vs Claude Haiku 4.5 specifications side by side
SpecificationGemma 4 31B ITGoogleClaude Haiku 4.5Anthropic
Capability
Capabilities Index (ECI)143.1 (best)142.2
ECI rank#96 of 165 (best)#102 of 165
GPQA DiamondGraduate-level science questions75.8% (best)71.2%
OTIS Mock AIME 2024–2025Competition mathematics73.3% (best)66.7%
SimpleQA VerifiedShort factual questions10.4%13.2% (best)
Price per million tokens
Input$0.14 (best)$1.00
Output$0.40 (best)$5.00
Cached input—$0.10
Blended (3:1)$0.205 (best)$2.00
Long-context rateSame rateSame rate
Price sourceMedian of 36 providersOfficial Anthropic API
Limits
Context window262,144 tokens (best)200,000 tokens
Max output32,768 tokens64,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model IDgemma-4-31b-itclaude-haiku-4-5
API providers4648 (best)
ReleasedApr 2, 2026Oct 15, 2025
Knowledge cutoffJan 2025Feb 28, 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.

  • Gemma 4 31B IT$2.20
  • Claude Haiku 4.5$20.00
04 — Questions

Which should you choose?

Which is better: Gemma 4 31B IT or Claude Haiku 4.5?

Gemma 4 31B IT is the better all-round choice, scoring 68/100 against Claude Haiku 4.5 (57). It leads on price and context window. Claude Haiku 4.5 wins on inputs & features. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Gemma 4 31B IT or Claude Haiku 4.5?

Gemma 4 31B IT is cheaper at $0.14 input / $0.40 output per million tokens (median across 36 API providers). Claude Haiku 4.5 costs $1.00 input / $5.00 output per million tokens (official Anthropic API price). At a typical mix of three input tokens to one output token, that is $0.205 per million tokens for Gemma 4 31B IT versus $2.00 for Claude Haiku 4.5 (9.8× as much).

Which scores higher on benchmarks?

Gemma 4 31B IT scores higher on the Capabilities Index (ECI): Gemma 4 31B IT 143.1 (#96 of 165) and Claude Haiku 4.5 142.2 (#102 of 165). The confidence ranges of the top two overlap (140.8–145.9 vs 139.4–143.9), so treat the gap as small. On individual benchmarks: GPQA Diamond — Gemma 4 31B IT 75.8%, Claude Haiku 4.5 71.2%; OTIS Mock AIME 2024–2025 — Gemma 4 31B IT 73.3%, Claude Haiku 4.5 66.7%; SimpleQA Verified — Claude Haiku 4.5 13.2%, Gemma 4 31B IT 10.4%.

Which is better for coding?

There are no published SWE-bench Verified results for Gemma 4 31B IT and Claude Haiku 4.5 yet, so there is no like-for-like coding score. On overall capability, Gemma 4 31B IT leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.

Which has the bigger context window?

Gemma 4 31B IT has the largest context window at 262,144 tokens, against 200,000 for Claude Haiku 4.5. Maximum output per response: Gemma 4 31B IT up to 32,768, Claude Haiku 4.5 up to 64,000 tokens.

Which can read images, PDFs, audio or video?

Gemma 4 31B IT accepts text and images; Claude Haiku 4.5 accepts text, images and PDFs. Claude Haiku 4.5 handles the widest range of inputs.

Are any of these open source?

Gemma 4 31B IT publishes its weights and can be self-hosted; Claude Haiku 4.5 is proprietary.

Which is newer?

Gemma 4 31B IT is the newest, released Apr 2, 2026. Claude Haiku 4.5 came out Oct 15, 2025. Knowledge cutoff: Gemma 4 31B IT Jan 2025, Claude Haiku 4.5 Feb 28, 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 Nov 2, 2026.

05 — Keep comparing

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