Claude Mythos 5.1 vs Mistral-Small-4-119B-2603
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | Claude Mythos 5.1 | Mistral-Small-4-119B-2603 |
|---|---|---|
| Developer | Anthropic | Mistral AI |
| Family | Claude 5 1 | Mistral Small 4 119b 2603 |
| Model | Claude Mythos 5.1 | Mistral-Small-4-119B-2603 |
| Version | Claude Mythos 5.1 | Mistral-Small-4-119B-2603 |
| Lifecycle | active | active |
| Released | 2026-09-01 | Unknown |
| Knowledge cutoff | 2026-06-01 | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000,000 | 1,048,576 |
| Total parameters | Unknown | 119,401,317,952 |
| Active parameters | Unknown | 6,500,000,000 |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Project Glasswing) | Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
Claude Mythos 5.1 Capabilities
Mistral-Small-4-119B-2603 Capabilities
Internal Comparison Graph
Related Comparisons
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 DeepSeek-V4-Flash-Vision-ExpDeepSeek | vs | Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text |
| vs | Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text | |
| vs | Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text | |
| vs | Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text | |
| vs | Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text | |
Claude Mythos 5.1Anthropic | vs |  Qwen3.7 FlashQwen | cross-developer peersimage, text |
Claude Mythos 5.1Anthropic | vs | Qwen3.7 MaxQwen | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Mythos 5.1 vs Mistral-Small-4-119B-2603 FAQs
Is Claude Mythos 5.1 or Mistral-Small-4-119B-2603 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Mythos 5.1 and Mistral-Small-4-119B-2603, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
Claude Mythos 5.1 is $10.00 and Mistral-Small-4-119B-2603 is $0.15 per million tokens, so Mistral-Small-4-119B-2603 is cheaper on this metric. Claude Mythos 5.1 is $50.00 and Mistral-Small-4-119B-2603 is $0.60 per million tokens, so Mistral-Small-4-119B-2603 is cheaper on this metric.
Which has a larger context window, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
Mistral-Small-4-119B-2603 has the larger sourced context window. Claude Mythos 5.1 supports 1,000,000 and Mistral-Small-4-119B-2603 supports 1,048,576.
Which performs better in benchmarks, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Mythos 5.1 or Mistral-Small-4-119B-2603 be self-hosted?+
Mistral-Small-4-119B-2603 is the only model in this pair currently marked as self-hostable. Claude Mythos 5.1 is not marked open weight; Mistral-Small-4-119B-2603 is open weight.
Can Claude Mythos 5.1 and Mistral-Small-4-119B-2603 understand images?+
Claude Mythos 5.1 is documented with image input; Mistral-Small-4-119B-2603 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
Neither has a larger sourced maximum output. Claude Mythos 5.1 is 128,000 and Mistral-Small-4-119B-2603 is —.
Do Claude Mythos 5.1 and Mistral-Small-4-119B-2603 support reasoning and tool use?+
Claude Mythos 5.1: reasoning, tool calling, and image input. Mistral-Small-4-119B-2603: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
Claude Mythos 5.1 has 1 sourced provider route; Mistral-Small-4-119B-2603 has 1, a tie.
Which offers better value, Claude Mythos 5.1 or Mistral-Small-4-119B-2603?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.