GPT-5.6 Sol vs Mistral OCR 4
Pricing, benchmarks, and use case comparison
Quick take
- •GPT-5.6 Sol is meaningfully stronger at coding (97 vs 5 on our capability index).
- •Mistral OCR 4 is meaningfully stronger at cost efficiency (96 vs 55).
- •GPT-5.6 Sol is 100% cheaper on input tokens, which compounds fast on high-volume or agentic workloads.
Specs comparison
| GPT-5.6 Sol | Mistral OCR 4 | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Type | Closed source | Closed source |
| Context window | Not announced | Not announced |
| Input / 1M tokens | ✓$5.00 | 4000 |
| Output / 1M tokens | $30.00 | 4000 |
| Release date | 2026-06 | 2026-06 |
Benchmarks
| Benchmark | GPT-5.6 Sol | Mistral OCR 4 |
|---|---|---|
| Terminal-Bench 2.1 | 88.8% | - |
| Terminal-Bench 2.1 (Ultra) | 91.9% | - |
| ExploitBench | competitive with Mythos Preview | - |
| OlmOCRBench | - | 85.20 |
| OmniDocBench | - | 93.07 |
| Human preference (head-to-head) | - | 72% win rate |
| Human evaluation (blind) | - | 72% |
| Human Evaluation (Blind Test) | - | 72% win rate |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose GPT-5.6 Sol if...
- →You are an approved preview partner needing the most capable model for agentic software engineering
- →Complex multi-step tasks that benefit from subagent orchestration (Ultra) or maximum reasoning depth (max)
- →Frontier scientific research, professional knowledge work, or security-sensitive workloads
Choose Mistral OCR 4 if...
- →You need to convert PDFs, scans, or office docs into structured text/Markdown
- →You require high-accuracy multilingual document parsing at low cost
- →You need tables, equations, and layout preserved with confidence scores
- →You must keep documents in-house (self-hosted deployment)