Which is cheaper, Claude Mythos Preview or Devstral Medium?
As of August 20, 2026, Devstral Medium is 96% cheaper on blended LLM API pricing. Devstral Medium costs $0.40 per million input tokens and $2.00 per million output tokens ($2.40 blended 1M-in + 1M-out). Claude Mythos Preview costs $10.00 / $50.00 per million tokens ($60.00 blended). Sources: https://platform.claude.com/docs/en/about-claude/pricing and https://docs.mistral.ai/platform/pricing/. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does Claude Mythos Preview vs Devstral Medium cost per million tokens?
Claude Mythos Preview Claude API pricing from Anthropic is $10.00 input and $50.00 output per million tokens via Anthropic. Devstral Medium Mistral API pricing is $0.40 input and $2.00 output per million tokens via Mistral AI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, Claude Mythos Preview or Devstral Medium?
Claude Mythos Preview leads on SWE-bench Verified: Claude Mythos Preview at 93.9% vs Devstral Medium at 61.6%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.
What is the context window for Claude Mythos Preview vs Devstral Medium?
Claude Mythos Preview supports a 1M token context window, while Devstral Medium supports 128K tokens. Claude Mythos Preview offers a larger context window. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.
Which model performs better on benchmarks, Claude Mythos Preview or Devstral Medium?
Claude Mythos Preview leads on 1 of 1 shared benchmarks versus Devstral Medium's 0 wins. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.
Is Claude Mythos Preview or Devstral Medium better for production use?
Both Claude Mythos Preview and Devstral Medium are production API models. For cost-sensitive production traffic, Devstral Medium has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.
Can I switch between Claude Mythos Preview and Devstral Medium in my app?
Yes. Call Claude Mythos Preview through Anthropic and Devstral Medium through Mistral AI with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.
How accurate is this Claude Mythos Preview vs Devstral Medium pricing data?
List rates are the latest published Claude API pricing from Anthropic and Mistral API pricing, quoted per million tokens. Official rate sheets: https://platform.claude.com/docs/en/about-claude/pricing and https://docs.mistral.ai/platform/pricing/. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.
What is the output token limit for Claude Mythos Preview and Devstral Medium?
Claude Mythos Preview supports up to an unspecified number of output tokens per request, while Devstral Medium supports up to 128K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Which model has better throughput, Claude Mythos Preview or Devstral Medium?
Devstral Medium has a measured throughput of approximately 137.1 tokens/second. Throughput data for Claude Mythos Preview is not yet available. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.
How do I switch the models in this Claude Mythos Preview vs Devstral Medium comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Claude Mythos Preview or Devstral Medium from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.