Backed by
Combinator
Interfaze vs Mistral OCR
More fields right on hard scans, in one API call.
One API call reads documents, images and audio and returns structured JSON. Every response also includes the OCR underneath, with bounding boxes and a confidence score for each word.
Trusted by builders at
Why teams choose Interfaze over Mistral OCR
Word boxes you can check, more fields right on hard scans, documents and audio in one call, and the SDK you already use.
Interfaze vs Mistral OCR on the same document
Same pages and same fields, sent to both APIs. Three selected pages where interfaze-1 got more fields right. Pick one to see where each API placed its fields, or the JSON it returned.
Newspaper op-ed
LinkedIn printout
Tiny-print table
Boxes on the page
Returned JSON
correct value
wrong value, boxed where the API read it
no box from the API: boxed where the value is
○
not returned
structured JSON

22/22 field checks passed
✓
headline
Climate of Fear
1.00
✓
byline
By Richard Lindzen
0.99
✓
publication_name
The Wall Street Journal
0.99
✓
section_label
OPINION
0.99
✓
issue_date
WEDNESDAY, APRIL 12, 2006
1.00
✓
author_affiliation
Mr. Lindzen is Alfred P. Sloan Professor of Atmospheric Science at MIT.
0.97
✓
climate_research_spending_today
$1.7 billion
0.99
✓
co2_increase_percent
30%
0.96
✓
warmest_year_claimed
1998
0.99
✓
hearings_year
1992
0.99
✓
named_effect
Iris Effect
0.93
✓
photo_credit
Images.com/Corbis
0.59
✓
tv_host
Ted Koppel
0.99
✓
libel_author
Ross Gelbspan
0.99
✓
dismissed_director
Henk Tennekes
0.99
✓
wmo_director
Aksel Winn-Nielsen
Read correctly.
✓
ipcc_first_head
Bert Bolin
0.97
✓
debate_year
1991
0.99
✓
ipcc_claim_source
Sir John Houghton
0.99
✓
texas_rep
Joe Barton
0.99
✓
paleoclimatologist
Michael Mann
0.99
✓
climate_plan_year
2003
0.99
structured JSON

19/22 field checks passed
✗
warmest_year_claimed
1988 · page says 1998
No box returned. The box marks where the value is on the page.
✗
libel_author
Ross Geibspan · page says Ross Gelbspan
No box returned. The box marks where the value is on the page.
○
photo_credit
not returned · page says Images.com/Corbis
Not returned. The box marks where the value is on the page.
✓
headline
Climate of Fear
0.99
✓
byline
By Richard Lindzen
1.00
✓
publication_name
The Wall Street Journal
1.00
✓
section_label
OPINION
1.00
✓
issue_date
WEDNESDAY, APRIL 12, 2006
1.00
✓
author_affiliation
Mr. Lindzen is Alfred P. Sloan Professor of Atmospheric Science at MIT.
1.00
✓
climate_research_spending_today
$1.7 billion
Read correctly.
✓
co2_increase_percent
about 30%
Read correctly.
✓
hearings_year
1992
Read correctly.
✓
named_effect
"Iris Effect"
Read correctly.
✓
tv_host
Ted Koppel
Read correctly.
✓
dismissed_director
Henk Tennekes
Read correctly.
✓
wmo_director
Aksel Winn-Nielsen
Read correctly.
✓
ipcc_first_head
Bert Bolin
Read correctly.
✓
debate_year
1991
Read correctly.
✓
ipcc_claim_source
Sir John Houghton
Read correctly.
✓
texas_rep
Joe Barton
Read correctly.
✓
paleoclimatologist
Michael Mann
Read correctly.
✓
climate_plan_year
2003
Read correctly.
One API call instead of a pipeline
Mistral OCR reads one document per request, and audio goes to a separate model. With Interfaze you send them together.
Claims intake
Form + photo
integration steps
1 call · 1 API
done first
3/3 steps · 2 APIs
done
Call + files
Transcribe
OCR
Your code
Interfaze
One request
Claim JSON
1 call · 1 API
first
3/3 steps · 2 APIs
done
Call + files
Transcribe
OCR
Your code
Interfaze
Claim JSON
Interfaze vs Mistral OCR accuracy benchmarks
Same 39 documents, same field list, first call to each API. Share of fields read correctly, with disagreements checked by hand against the page.
higher is better
Content
Interfaze
Mistral
All fields
every field on all 39 documents · 433 fields
97.5%
90.1%
Rotated, upside-down & faint text
upside-down pages, rotated margin numbers, vertical and faint text · 22 fields
86.4%
59.1%
Fine print
stamps, footers, Bates numbers, small type · 72 fields
95.8%
83.3%
Tables
cells in dense and scanned tables · 74 fields
97.3%
90.5%
Numbers
amounts, IDs, dates and counts · 97 fields
99.0%
93.8%
Handwriting
handwritten notes, stamps and envelopes · 34 fields
88.2%
85.3%
Body text
names, titles, labels and running text · 120 fields
99.2%
92.5%
Interfaze vs Mistral OCR on olmOCR-bench
Scores from the public olmOCR benchmark. The overall ranking first, then the three tasks with the biggest gap.
Interfaze vs Mistral OCR, feature by feature
Checked against both companies' docs. Mistral entries refer to its OCR service; open weights refer to Interfaze Lite.
Interfaze
Mistral OCR
Word-level bounding boxes
Locate individual words and lines with pixel bounds in OCR precontext.
Word-level bounding boxes
Its docs list paragraph-level boxes, not individual word boxes. Word confidence is supported.
Streaming output
Stream text and structured output as it is generated.
Streaming output
The documented OCR endpoint returns a complete response, without streaming.
OpenAI-compatible extraction
Use Chat Completions with your existing OpenAI or Vercel AI SDK client.
OpenAI-compatible extraction
OCR uses a separate endpoint and request format, outside Chat Completions.
Open weights
The separate interfaze-1.1-lite model runs on one 80 GB GPU.
Open weights
No public weights listed for Mistral OCR; other Mistral models have open weights.
Audio and video input
One interface for documents, images and audio; interfaze-1 also accepts video.
Audio and video input
The OCR endpoint accepts documents and images. Audio uses separate Mistral models.
Structured JSON output
Your JSON schema through Chat Completions, alongside OCR precontext.
Structured JSON output
Your JSON schema through document annotations on the OCR endpoint.
OCR confidence scores
Word and line confidence scores in OCR precontext.
OCR confidence scores
Configurable word, block or page confidence scores.
How to migrate from Mistral OCR to Interfaze
The same document and schema, side by side. Keep your validation, switch the API call, or let your coding agent help.
Interfaze
OpenAI SDK
Vercel AI SDK
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.interfaze.ai/v1",
apiKey: process.env.INTERFAZE_API_KEY,
});
const res = await client.chat.completions.create({
model: "interfaze-1",
response_format: {
type: "json_schema",
json_schema: { name: "invoice", schema: INVOICE_SCHEMA },
},
messages: [{
role: "user",
content: [
{ type: "text", text: "Extract the fields" },
{ type: "file", file: { filename: "invoice.pdf",
file_data: pdfUrl } },
],
}],
});
const invoice = JSON.parse(res.choices[0].message.content);Mistral OCR
import { Mistral } from "@mistralai/mistralai";
const client = new Mistral({
apiKey: process.env.MISTRAL_API_KEY,
});
const res = await client.ocr.process({
model: "mistral-ocr-latest",
document: { type: "document_url", documentUrl: pdfUrl },
documentAnnotationFormat: {
type: "json_schema",
jsonSchema: {
name: "invoice",
schemaDefinition: INVOICE_SCHEMA,
strict: true,
},
},
documentAnnotationPrompt: "Extract the fields",
});
if (!res.documentAnnotation) throw new Error("No annotation");
const invoice = JSON.parse(res.documentAnnotation);Interfaze vs Mistral OCR: common questions
Accuracy, integration and what to check before switching.
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