AI Models · Open-Source vs Paid

Claude Fable 5 Paid vs Mistral Large 4 Open

Claude Fable 5 vs Mistral Large 4 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Claude Fable 5 — full profile ›

Prices & specs refreshed from live data · olud.ai

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

Claude Fable 5PaidAnthropic
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Mistral Large 4OpenMistral AI
$1.36 /M input
$4.18 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
Choose Mistral Large 4 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Claude Fable 5 if you want frontier capability through a managed API with zero infrastructure to run.

Claude Fable 5 vs Mistral Large 4 specs

SpecClaude Fable 5Mistral Large 4Winner
MakerAnthropicMistral AI–
TypeProprietaryOpen-weightMistral Large 4
Context window1M tokens1M tokensMistral Large 4
Input price$10/M$1.36/M · free self-hostMistral Large 4
Output price$50/M$4.18/M · free self-hostMistral Large 4
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)YesMistral Large 4
LicenseProprietaryApache 2.0Mistral Large 4

Price gap & when to choose each

12×cheaper per output token

Mistral Large 4 is ~12× cheaper than Claude Fable 5 on output tokens ($4.18 vs $50 per M tokens).

Choose Claude Fable 5 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose Mistral Large 4 if…
  • You want to self-host or run on your cloud
  • You need the longer 1M context window
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI

Feature comparison

CapabilityClaude Fable 5Mistral Large 4
Open weights (downloadable)✗✓
Self-hostable✗✓
Runs fully offline✗✓
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

Benchmarks: Claude Fable 5 vs Mistral Large 4

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

Mistral Large 4 delivers 7.4× more intelligence per dollar.
Claude Fable 5
Mistral Large 4
Intelligence index
49.6
38.4
Coding index
76.5
–
GPQA
92.6%
–
Humanity's Last Exam
55.5%
35%
Long Context Reasoning
82.3%
81.3%
SciCode
61%
54.2%
IFBench
63.5%
–
τ²-Bench
98.5%
–
τ-Bench Banking
38.1%
–
Terminal-Bench
84.6%
–
Terminal-Bench Hard
62.9%
–
Speed
0 tok/s
118.2 tok/s
Latency
0s
0.77s
Intelligence per $
2.5
18.6

Benchmark data by Artificial Analysis.

How Claude Fable 5 and Mistral Large 4 score

🏆 Best value & openness: Mistral Large 4 (4.8 vs 2.9 / 5)
CriterionClaude Fable 5Mistral Large 4
Cost-efficiency2.04.0
Context window5.05.0
Openness1.55.0
Self-hosting1.05.0
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

Claude Fable 5 Paid

Anthropic · Proprietary

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Mistral Large 4 Open

Mistral AI · Open-weight

Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 1M-token context window with up...

Other models in these families

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

Other variants tracked
Mistral Medium 3.5Mistral Medium 3.5 (batch)Mistral Small 4Mistral Large 3 2512Mistral Medium 3.1Mistral Medium 3Devstral 2 2512Mistral Small 3.1 24BMistral Small 3.2 24BMistral LargeMistral Large 2407Mistral Small 3SabaMinistral 3 14B 2512Mixtral 8x22B InstructMinistral 3 8B 2512Ministral 3 3B 2512UncensoredCodestral 2508Voxtral Small 24B 2507Mistral Nemo

Frequently asked questions

Is Mistral Large 4 as good as Claude Fable 5?

Mistral Large 4 is open-weight and competitive on many tasks, but Claude Fable 5 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Mistral Large 4 locally?

Yes. Mistral Large 4 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Claude Fable 5 is API-only and cannot be self-hosted.

How much cheaper is Mistral Large 4?

Mistral Large 4 costs $4.18/M output vs $50/M for Claude Fable 5 — roughly 12x cheaper via API, and free if you self-host.

Claude Fable 5 vs Mistral Large 4 — which should I pick in 2026?

Choose Mistral Large 4 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Claude Fable 5 if you want frontier capability through a managed API with zero infrastructure to run.

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