AI Models · Paid vs Paid

Gemini 3.1 Pro Preview Paid vs Claude Haiku 4.5 Paid

Gemini 3.1 Pro Preview vs Claude Haiku 4.5 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Gemini 3.1 Pro Preview — full profile ›  ·  Claude Haiku 4.5 — full profile ›

Prices & specs refreshed from live data · OpenSourceAI.tech

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Choose Claude Haiku 4.5 for the lower output price ($5/M vs $12/M). Choose Gemini 3.1 Pro Preview if you need the larger 1M context window.

Gemini 3.1 Pro Preview vs Claude Haiku 4.5 specs

SpecGemini 3.1 Pro PreviewClaude Haiku 4.5
MakerGoogleAnthropic
TypeProprietaryProprietary
Context window1M tokens200K tokens
Input price$2/M$1/M
Output price$12/M$5/M
Vision / multimodalYesYes
Tool / function callingYesYes
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Feature comparison

CapabilityGemini 3.1 Pro PreviewClaude Haiku 4.5
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✗

Benchmarks: Gemini 3.1 Pro Preview vs Claude Haiku 4.5

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Gemini 3.1 Pro Preview
Claude Haiku 4.5
Intelligence index
46.5
–
Coding index
68.8
–
GPQA
94.1%
–
Humanity's Last Exam
44.7%
–
Long Context Reasoning
72.7%
–
SciCode
58.9%
–
IFBench
77.1%
–
τ²-Bench
95.6%
–
τ-Bench Banking
16.5%
–
Terminal-Bench
73.8%
–
Terminal-Bench Hard
53.8%
–
Speed
137.1 tok/s
–
Latency
23.58s
–
Intelligence per $
10.3
–

Benchmark data by Artificial Analysis.

How Gemini 3.1 Pro Preview and Claude Haiku 4.5 score

🤝 Neck and neck on these criteria (3.2 vs 3.1 / 5).
CriterionGemini 3.1 Pro PreviewClaude Haiku 4.5
Cost-efficiency3.54.0
Context window5.04.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Gemini 3.1 Pro Preview Paid

Google · Proprietary

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation.

Claude Haiku 4.5 Paid

Anthropic · Proprietary

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Gemini 2.5 Pro

Frequently asked questions

Gemini 3.1 Pro Preview vs Claude Haiku 4.5 — which is cheaper?

Claude Haiku 4.5 is cheaper on output ($5/M vs $12/M).

Which has the larger context window?

Gemini 3.1 Pro Preview offers the larger context window (1M tokens).

Gemini 3.1 Pro Preview vs Claude Haiku 4.5 — which should I pick in 2026?

Choose Claude Haiku 4.5 for the lower output price ($5/M vs $12/M). Choose Gemini 3.1 Pro Preview if you need the larger 1M context window.

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