Mistral Small 4
Mistral AIdocs.mistral.ai/models/mistral-small-4-0-26-03
Hybrid model unifying instruct, reasoning, and coding in a single efficient model.
Updated 40 min ago · first seen 11 Sept 2026
model_01M2943ZSKTR767DHTCMVEKMB0
- Context
- 256K tokens
- T1 · 52 min ago
- Released
- 16 Mar 2026
- T2 · 40 min ago
- License
- Apache 2.0
- T1 · 54 min ago
Specification
- Version
- 26.03
Source:Mistral AI docsT1observed 54 min agohigh
- Release date
- 16 Mar 2026
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Openness
- open-weights
Source:Mistral AI docsT1observed 54 min agohigh
- License
- Apache 2.0
Source:Mistral AI docsT1observed 54 min agohigh
- Context window
- 256K tokens
Source:Mistral AI docsT1observed 52 min agohigh
- Max output
- 209.7K tokens
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Modalities
- image, text
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Input modalities
- image, text
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Tokenizer
- Mistral
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- API alias
- mistral-small-latest
Source:Mistral AI docsT1observed 52 min agohigh
- Hugging Face repo
- mistralai/Mistral-Small-4-119B-2603
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Official page
Source:Mistral AI docsT1observed 54 min agohigh
- Openrouter id
- mistralai/mistral-small-2603
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Supported parameters
- frequency_penalty, include_reasoning, max_tokens, presence_penalty, reasoning, reasoning_effort, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
20
Source tiers
T1T29 / 11
Freshest observation
40 min ago
Conflicts
1 flagged
Modalities
- Modalities
- imagetext
- Input
- imagetext
- Output
- text
Capabilities
Tool calling
Yes
Mistral AI docs · T1
Structured output
Yes
Mistral AI docs · T1
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 256K tokens
Source:Mistral AI docsT1observed 52 min agohigh
- Max output
- 209.7K tokens
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
- Tokenizer
- Mistral
Source:OpenRouter public model & pricing listingT2observed 40 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Mistral AI La Plateformemistralai/mistral-small-2603:batch | $0.075 | $0.30 | $0.0075 | — | 262.1K | 40 min ago | openrouter.aiT2 |
| Mistral AI La Plateforme | $0.15 | $0.60 | — | — | — | 52 min ago | docs.mistral.aiT1 |
| Mistral AI La Plateformemistralai/mistral-small-2603 | $0.15 | $0.60 | $0.015 | — | 262.1K | 40 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Mistral AI La Plateforme
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Context window
Context windowcontext_length2conflicting claims
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 262.1K tokens | → current | conflicting | OpenRouter public model & pricing listingT2 | medium | deterministic |
| 256K tokens | → current | current | Mistral AI docsT1 | conflicted | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Mistral AI La Plateforme lists Mistral Small 4 at $0.075 in / $0.3 out per 1M tokens
openrouterMistral AI La Plateforme lists Mistral Small 4 at $0.15 in / $0.6 out per 1M tokens
openrouterMistral AI La Plateforme lists Mistral Small 4 at $0.15 in / $0.6 out per 1M tokens
mistral
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Mistral AI docs | docs.mistral.ai/models | model_docs | T1· Official | 48 min ago | 1 |
| Mistral AI docs | docs.mistral.ai/models/mistral-small-4-0-26-03 | model_page | T1· Official | 52 min ago | 1 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 40 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.