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Head-to-head comparison

Claude Haiku 4.5 vs Mistral Large 3 2512

Claude Haiku 4.5 (Anthropic) and Mistral Large 3 2512 (Mistral AI) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, Mistral Large 3 2512 holds the stronger ModelCap Index position (#44 vs #45); Mistral Large 3 2512 is 3.3× cheaper per output token ($1.50/1M vs $5.00/1M); and Mistral Large 3 2512 offers the longer context window (262K vs 200K tokens).

Which should you choose?

Choose Claude Haiku 4.5 if…

  • you want provider choice — 4 listed API providers against 1.
  • Arena coding is your yardstick — 1479 against 1468.

Choose Mistral Large 3 2512 if…

  • you want the stronger overall ModelCap Index position — #44 against #45 (52.4 vs 52.3 points).
  • API cost matters — $1.50/1M output tokens against $5.00/1M, about 3.3× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.50/1M against $1.00/1M.
  • you need the longer context window — 262K tokens against 200K.
  • you want the more recently listed model — Mistral Large 3 2512 was listed 1 December 2025, Claude Haiku 4.5 15 October 2025.

Claude Haiku 4.5 vs Mistral Large 3 2512: specs, pricing and context

Specification comparison of Claude Haiku 4.5 and Mistral Large 3 2512
FieldClaude Haiku 4.5AnthropicMistral Large 3 2512Mistral AI
ModelCap Index position#45#44
Index score52.352.4
EvidenceMeasuredMeasured
Input price / 1M tokens$1.00$0.50
Output price / 1M tokens$5.00$1.50
Context window200K tokens262K tokens
Max output tokens64K—
API providers listed41
Weight accessAPI onlyAPI only
Input modalitiesText, Image, FileText, Image, File
First listed15 October 20251 December 2025
PublisherAnthropicMistral AI

Evidence: 3 public benchmark observations across 3 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Claude Haiku 4.5 vs Mistral Large 3 2512

Public benchmark boards where Claude Haiku 4.5 or Mistral Large 3 2512 has a published result
BoardClaude Haiku 4.5Mistral Large 3 2512Leads
Arena codingArena (LMArena)14791475–148414681463–1474Claude Haiku 4.5
ARC-AGI-2ARC Prize Foundation4.0%Thinking—Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Claude Haiku 4.5 vs Mistral Large 3 2512: common questions

Is Claude Haiku 4.5 better than Mistral Large 3 2512?

Mistral Large 3 2512 ranks higher on the ModelCap Index as of 17 August 2026: #44 against #45. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Claude Haiku 4.5 cheaper than Mistral Large 3 2512?

Mistral Large 3 2512 is cheaper on output tokens: $1.50/1M against $5.00/1M. Input tokens are $1.00/1M for Claude Haiku 4.5 and $0.50/1M for Mistral Large 3 2512. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Claude Haiku 4.5 or Mistral Large 3 2512?

Mistral Large 3 2512 has the larger context window: 262K tokens against 200K.

Which is better for coding, Claude Haiku 4.5 or Mistral Large 3 2512?

Arena coding: Claude Haiku 4.5 1479, Mistral Large 3 2512 1468 — Claude Haiku 4.5 leads.

Are Claude Haiku 4.5 and Mistral Large 3 2512 open-weight models?

Claude Haiku 4.5: API only. Mistral Large 3 2512: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Claude Haiku 4.5 and Mistral Large 3 2512?

ModelCap currently lists 4 API providers for Claude Haiku 4.5 and 1 for Mistral Large 3 2512, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Claude Haiku 4.5 vs Mistral Large 3 2512 comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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