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Compare performance benchmarks, coding intelligence, reasoning evaluations, context limits, and API economics between Mistral Large 4 (Mistral AI) and Claude Sonnet 5.5 (Anthropic).
| Metric / Capability | Mistral Large 4 | Claude Sonnet 5.5 |
|---|---|---|
| Developer / Organization | Mistral AI | Anthropic |
| Release Date | 2026-10-06 | 2026-09-28 |
| Deployment / Weights | Proprietary Cloud API | Proprietary Cloud API |
| Context Window | 1.0M tokens (1,048,576 tokens) | 1M tokens (1,000,000 tokens) |
| Input Pricing (/1M Tokens) | $1.36 | $2 |
| Output Pricing (/1M Tokens) | $4.18 | $10 |
| Benchmark / Domain | Mistral Large 4 | Claude Sonnet 5.5 | Advantage |
|---|---|---|---|
Artificial Analysis Intelligence Index Composite index aggregating 10+ evaluations of general reasoning and knowledge. | 38.4% | 56.0% | Claude Sonnet 5.5 (+46%) |
Artificial Analysis Coding Agent Index v2.0 Composite index of coding-agent systems (model + harness) across FrontierCode v1.1, SWE-Atlas-QnA, and Terminal-Bench v4. | — | 59.3% | — |
SWE-bench Pro Harder, contamination-resistant successor to SWE-bench spanning multiple languages. | — | 81.3% | — |
Terminal-Bench 4.0 Sandboxed command-line tasks requiring shell and file-system operation. | — | 70.6% | — |
ARC-AGI-2 Novel visual grid puzzles requiring abstract rule induction. | — | 83.9% | — |
Humanity's Last Exam Expert-written questions across hundreds of disciplines designed to resist saturation. | — | 56.9% | — |
FrontierMath v2 (Tiers 1-3) Unpublished, research-level mathematics problems across Tiers 1-3. | — | 88.8% | — |
Design Arena ELO Human-preference ELO across UI, 3D, data-visualization, and game-dev generations. | 1275 | 1413 | Claude Sonnet 5.5 (+11%) |
Claude Sonnet 5.5 outperforms Mistral Large 4 across 2 evaluated benchmarks compared to 0 for Mistral Large 4, excelling in Artificial Analysis Intelligence Index, Design Arena ELO.
Mistral Large 4 offers a larger context capacity of 1.0M tokens (1,048,576 tokens), compared to 1M tokens for Claude Sonnet 5.5.
Mistral Large 4 is more cost-effective. Input tokens cost $1.36/M tokens vs $2/M tokens for Claude Sonnet 5.5.
Mistral Large 4 is a proprietary cloud API. Claude Sonnet 5.5 is a proprietary cloud API.
Analyze 130+ models side-by-side using interactive radar charts, cost-efficiency quadrant plots, and live dataset filters on the full NeuBench index.
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