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Claude Mythos 5

Anthropicflagship

The top-scoring model on the board, and the one almost nobody can call: Mythos 5 is available only through Anthropic's Project Glasswing, succeeding the invitation-only Mythos Preview. Capabilities, pricing, limits, and API behaviour are identical to Claude Fable 5 — $10/$50 per 1M tokens, 1M context, 128K output, always-on thinking with the raw chain of thought never returned, and a 30-day data-retention requirement that rules out zero-retention orgs. Listed here for completeness of the frontier; if you are not in Glasswing, Claude Opus 5 or Fable 5 is the model you can actually buy.

Context Window

1M

tokens

Max Output

128K

tokens

Input Price

$10

per 1M tokens

Output Price

$50

per 1M tokens

Speed

56

tokens/sec

Released

Jun 2026

2026-06-09

Blended Cost

$30.00

per 1M tokens

Value Score

3.3

quality per $

Capabilities

ChatVisionFunction CallingCode GenerationReasoning

Benchmarks

Quality Index
100
MMLU Pro
92.6
HumanEval (Coding)
98.2
MATH
95.4
Arena ELO
1531

Price vs Quality

6080100$1.00$10.00$100.00Blended cost per 1M tokens (log scale) →GPT-4o — $6.25/1M, quality 85GPT-4o Mini — $0.375/1M, quality 72o3 Mini — $2.75/1M, quality 88o3 — $5.00/1M, quality 94GPT-4.1 — $5.00/1M, quality 89Claude Opus 4 — $45.00/1M, quality 91Claude Sonnet 4 — $9.00/1M, quality 88Claude 3.5 Haiku — $2.40/1M, quality 75Gemini 2.5 Pro — $5.63/1M, quality 92Gemini 2.0 Flash — $0.250/1M, quality 74Llama 4 Maverick — $0.400/1M, quality 80Llama 4 Scout — $0.275/1M, quality 71Mistral Large 2 — $4.00/1M, quality 79Codestral — $0.600/1M, quality 76DeepSeek V3 — $0.685/1M, quality 86DeepSeek R1 — $1.37/1M, quality 91Grok 3 — $9.00/1M, quality 87Grok 3 Mini — $0.400/1M, quality 78Command R+ — $6.25/1M, quality 68Amazon Nova Pro — $2.00/1M, quality 70Qwen 2.5 72B — $0.600/1M, quality 80Qwen 2.5 Coder 32B — $0.300/1M, quality 74Sonar Pro — $9.00/1M, quality 78GPT-5.5 — $17.50/1M, quality 97GPT-5.5 Pro — $105.00/1M, quality 96Claude Opus 4.7 — $15.00/1M, quality 96Gemini 3.1 Pro — $7.00/1M, quality 96DeepSeek V4 Pro — $1.32/1M, quality 89DeepSeek V4 Flash — $0.210/1M, quality 84Qwen 3.6 Plus — $3.50/1M, quality 86Grok 4.3 — $1.88/1M, quality 93Kimi K2.6 — $2.11/1M, quality 92Kimi K3 — $9.00/1M, quality 97Claude Sonnet 4.6 — $9.00/1M, quality 90GLM-5.1 — $2.03/1M, quality 88Claude Opus 4.8 — $15.00/1M, quality 98Qwen 3.7 Max — $5.00/1M, quality 94Claude Fable 5 — $30.00/1M, quality 100MiniMax M3 — $1.50/1M, quality 89GPT-5.6 Sol — $17.50/1M, quality 98GPT-5.6 Terra — $7.00/1M, quality 93GPT-5.6 Luna — $0.700/1M, quality 83Gemini 3.6 Flash — $2.25/1M, quality 90Gemini 3.5 Flash-Lite — $1.40/1M, quality 79Claude Sonnet 5 — $9.00/1M, quality 93GLM-5.2 — $2.90/1M, quality 91Claude Opus 5 — $15.00/1M, quality 99Grok 4.5 — $4.00/1M, quality 94Qwen3.8 Max — $4.00/1M, quality 96Claude Mythos 5 — $30.00/1M, quality 100Claude Mythos 5
Cheaper is left, more capable is up. Nothing in the directory is both cheaper and at least as capable. Self-host models are left off the price axis — their cost depends on the hardware you run them on, not on tokens.

Context Window in Context

  • ▸ Claude Mythos 51M
  • GPT-4.11M
  • Gemini 2.5 Pro1M
  • Gemini 2.0 Flash1M
  • Llama 4 Maverick1M
  • GPT-5.51M
  • GPT-5.5 Pro1M
  • Claude Opus 4.71M
Bar length is logarithmic — each full step is 10× the tokens. Shown against the models with the nearest context windows, not the directory extremes.
Try in Playground Use via Swfte ConnectAnthropic Docs

아직 게이트웨이에 없습니다

Swfte Connect에 Claude Mythos 5용 키가 없어 여기서 실행할 것이 없습니다. 직접 발급한 제공업체 키를 추가하면 이 디렉터리의 다른 모델과 동일한 API로 호출할 수 있습니다.

요청
curl https://api.swfte.com/agents/v2/gateway/chat/completions \
  -H "Authorization: Bearer $SWFTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic:claude-mythos-5",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
Swfte Connect로 이 모델 배포하기

About Claude Mythos 5

Claude Mythos 5 is a flagship AI model by Anthropic, released on June 9, 2026. It supports a context window of 1000K tokens and can generate up to 128K output tokens.

At $10 per million input tokens and $50 per million output tokens, its blended cost of $30.00/1M tokens places it in the premium pricing tier. Its value score of 3.3 reflects the balance of quality and cost.

Using Claude Mythos 5 with Swfte

Access Claude Mythos 5 through Swfte Connect, our unified LLM gateway. Connect gives you a single API for 50+ models, with automatic routing, cost optimization, and fallback handling. You can also try Claude Mythos 5 in our AI Playground before integrating.

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